- Ho Research Group at CityU HK

News

Year 2024:

 

08.04.2024

Congrat to Ho Research Group for the collaborative work "Te nanomesh/black-Si van der Waals Heterostructure for High-Performance Photodetectors" being accepted in Advanced Optical Materials!

 

07.04.2024

Congrat to Weijun Wang for his work "Orientation-Engineered 2D Electronics on van der Waals Dielectrics" being accepted in Matter!

 

28.03.2024

Congrat to Ho Research Group for the collaborative work "Oxygen Vacancy Induced Efficient Hydrogen Spillover in Ni17W3/WO3-x/MoO3-x for Superior pH-Universal Hydrogen Evolution Reaction" being accepted in Journal of Materials Chemistry A!

 

20.03.2024

Congrat to Ho Research Group for the collaborative work "Red-Green-Blue Light Emission from Composition Tunable Semiconductor Micro-tripods" being accepted in Advanced Functional Materials!

 

14.03.2024

Congrat to Ho Research Group for the collaborative work "Diffusion-Dominated Luminescence Dynamics of CsPbBr3 Studied Using Cathodoluminescence and Microphotoluminescence Spectroscopy" being accepted in Nano Letters!

 

19.02.2024

Congrat to Ho Research Group for the collaborative work "Hydrogen Spillover Phenomenonat the Interface of Metal-Supported Electrocatalysts for Hydrogen Evolution" being accepted in Accounts of Chemical Research!

 

19.01.2024

Group gathering at Meng Yang Restaurant (深圳蒙羊食府) to celebrate the upcoming Spring Festival!

Bottom row (L-R): Bowen Li (Post-doctoral Research Fellow), Yezhan Li (PhD Student - Year 3), Pengshan Xie (PhD Student - Year 4), Dengji Li (PhD Student - Year 3), Chenxu Zhang (Visiting Post-Doctoral Research Fellow), Dapan Li (Ho Research Group Alumnus), Johnny Ho (Principal Investigator), Hao Lin (Ho Research Group Alumnus), You Meng (Post-Doctoral Research Fellow), Weijun Wang (PhD Student - Year 4), Zenghui Wu (Post-Doctoral Research Fellow)

Top row (L-R): Yan Yan (PhD Student - Year 2), Haifan Li (PhD Student - Year 1), Boxiang Gao (PhD Student - Year 2), He Shao (Hong Kong Scholar), Di Yin (PhD Student - Year 3), Dong Chen (PhD Student - Year 4), Quan Quan (Post-Doctoral Research Fellow), Siliang Hu (PhD Student - Year 1), Yi Shen (PhD Student - Year 2), Mingqi Ding (PhD Student - Year 1), Yuxuan Zhang (PhD Student - Year 3), Man Luo (Visiting Post-Doctoral Research Fellow)

 

17.01.2024

Congrat to Dengji Li for his work "Phase Engineering for Stability of CsPbI3 Nanowire Optoelectronics" being accepted in Advanced Functional Materials!

 

11.01.2024

Congrat to Yuxuan Zhang for his work "Pulse Irradiation Synthesis of Metal Chalcogenides on Flexible Substrates for Enhanced Photothermoelectric Performance" being accepted in Nature Communications!

 

04.01.2024

Congrat to Ho Research Group for the collaborative work "Quaternary CsPbX3 (X = Cl1-xBrx, Br1-xIx) Alloy Microplates and Their Two-Photon Absorption (TPA) Properties Synthesized by Single-Step Chemical Vapor Deposition" being accepted in Jorunal of Materials Chemistry C!

 

 

Year 2023:

 

23.12.2023

Congrat to Ho Research Group for the collaborative work "High Performance Few-Layered h-BN-based MIS Blocks by Fowler-Nordheim Tunneling for Infrared Photodetection" being accepted in Infrared Physics & Technology!

 

18.12.2023

Congrat to Ho Research Group for the collaborative work "Bifunctional Substrate: In-situ Ni, Fe co-doping Cobalt Carbonate Hydroxides for Overall Water Splitting" being accepted in ChemCatChem!

 

15.12.2023

Congrat to Quan Quan for her work "Multiscale Confinement Engineering for Boosting Overall Water Splitting by One-step Stringing a Single Atom and a Janus Nanoparticle within a Carbon Nanotube" being accepted in ACS Nano!

 

08.12.2023

Congrat to Ho Research Group for winning the Silver Medal with the topic of "Solar-Electrocatalytic System for Hydrogen Generation" at the 3rd Asia Exhibition of Innovations and Inventions Hong Kong!

 

02.12.2023

Congrat to Pengshan Xie for his work "Emerging Optoelectronic Artificial Synapses and Memristors Based on Low-Dimensional Nanomaterials" being chosen as a Feature Article in Applied Physics Reviews!

 

22.11.2023

Congrat to Pengshan Xie for his work "Emerging Optoelectronic Artificial Synapses and Memristors Based on Low-Dimensional Nanomaterials" being accepted in Applied Physics Reviews!

 

22.11.2023

Congrat to Ho Research Group for the collaborative work "Solid Redox Equilibrium via d-Band Centers Regulation in the MoS2/Ni3S2 Heterojunction for Efficient Selective Oxidation of 5-Hydroxymethylfurfural" being accepted in Materials Today Energy!

 

20.11.2023

Congrat to Weijun Wang for his work "2D Ferroelectric Materials: Emerging Paradigms for Next-Generation Ferroelectronics" being accepted in Materials Today Electronics!

 

09.11.2023

Congrat to Ho Research Group for the collaborative work "Further Insights into the Na2WO4-assisted Synthesis Method for WS2" being accepted in Materials Advances!

 

07.11.2023

Congrat to Ho Research Group for the collaborative work "Lattice-mismatch-free Construction of III-V/Chalcogenide Core-shell Heterostructure Nanowires" being accepted in Nature Communications!

 

06.11.2023

Congrat to Wei Wang for his work "Multifunctional Anti-ambipolar Electronics Enabled by Mixed-dimensional 1D GaAsSb/2D MoS2 Heterotransistors" being accepted in Device!

 

18.10.2023

Congrat to Jiajia Zha for his work "A 2d Heterostructure-Based Multifunctional Floating Gate Memory Device for Multimodal Reservoir Computing" being accepted in Advanced Materials!

 

15.09.2023

Congrat to Ho Research Group for the collaborative work "Bandgap-Engineered CsPbBr3xI3–3x Alloy Nanowires for Broadly Tunable Nanoscale Lasers" being accepted in ACS Applied Nano Materials!

 

14.09.2023

Congrat to Ho Research Group for the collaborative work "Unlocking the Ambient Temperature Effect on FA‐based Perovskites Crystallization by In‐situ Optical Method" being accepted in Advanced Materials!

 

08.09.2023

Congrat to Ho Research Group for the collaborative work "Asymmetrically Contacted Tellurium Short-Wave Infrared Photodetector with Low Dark Current and High Sensitivity at Room Temperature" being accepted in Advanced Optical Materials!

 

01.09.2023

Mingqin Ding, Siliang Hu and Haifan Li join the Ho Research Group.

 

16.08.2023

Congrat to Ho Research Group for the collaborative work "All-In-One Hardware Devices with Event-Based Vision Sensor Arrays for Image Sensing, Computing, and Learning" being accepted in Advanced Functional Materials!

 

14.08.2023

Congrat to Ho Research Group for the collaborative work "NiFeP Composites Supported on Ni Foam as an Efficient and Robust Bifunctional Electrocatalyst for Overall Water Splitting in Alkaline Solution" being accepted in Journal of Alloys and Compounds!

 

08.08.2023

Congrat to You Meng for his work "Anti-Ambipolar Heterojunctions: Materials, Devices, and Circuits" being accepted in Advanced Materials!

 

04.08.2023

Congrat to Xiuming Bu for his work "Controlling Surface Chemical Inhomogeneity of Ni2P/MoNiP2/MoP Heterostructure Electrocatalysts for Efficient Hydrogen Evolution Reaction" being accepted in Small!

 

29.07.2023

Congrat to Di Yin for her work "Synergistic Active Phases of Transition Metal Oxide Heterostructures for Highly Efficient Ammonia Electrosynthesis" being accepted in Advanced Functional Materials!

 

18.07.2023

Group gathering at Original Cantonese Family Banquet (Shenzhen) to celebrate the PhD graduation of Dr. Wei Wang, Dr. Zhengxun Lai and Dr. Quan Quan. Congrat Dr. Wang, Dr. Lai and Dr. Quan!

L-R: Dong Chen (PhD Student - Year 3), Yuxuan Zhang (PhD Student - Year 2), Yezhan Li (PhD Student - Year 2), Boxiang Gao (PhD Student - Year 1), Chenxu Zhang (Visiting Post-Doctoral Research Fellow), Dengji Li (PhD student - Year 2), Quan Quan (PhD student - Year 4), Wei Wang (PhD Student - Year 4), Johnny Ho (Principal Investigator), Zhengxun Lai (PhD student - Year 4), You Meng (Post-Doctoral Research Fellow), Bowen Li (Post-Doctoral Research Fellow), Jiajia Zha (PhD Student - Year 3), Yan Yan (PhD Student - Year 1), Weijun Wang (PhD student - Year 3), He Shao (Hong Kong Scholar), Zenghui Wu (Post-Doctoral Research Fellow), Di Yin (PhD Student - Year 2).

* It was pity that Pengshan Xie (PhD student - Year 3) and Yi Shen (PhD Student - Year 1) were absent.

 

10.07.2023

Congrat to Ho Research Group for the collaborative work "Multislip Enabled Morphing of All-Inorganic Perovskites" being accepted in Nature Materials!

 

07.07.2023

Congrat to Jiajia Zha for his work "Plasma-Optimized Contact for High-Performance PdSe2 Nanoflake-Based Field-Effect Transistors" being accepted in Applied Physics Letters!

 

03.07.2023

Congrat to Ho Research Group for the collaborative work "Uncovering the Role of Crystal Phase in Determining Nonvolatile Flash Memory Device Performance Fabricated from MoTe2-Based 2D van der Waals Heterostructures" being accepted in ACS Applied Materials & Interfaces!

 

30.06.2023

Congrat to Zhengxun Lai for his work "Tailoring the Fabrication Method of Dion–Jacobson 2D Halide Perovskites toward Highly Crystalline and Oriented Films" being accepted in Advanced Functional Materials!

 

23.06.2023

Our work "Van der Waals Nanomesh Electronics on Arbitrary Surfaces" hsa been highlighted in various media, including South China Morning Post, on.cc, WeChat Post, CityU Research Stories, etc.

 

15.06.2023

Congrat to Ho Research Group for the collaborative work "Highly Sensitive Broadband Bolometric Photodetectors Based on Two-Dimensional PdSe2 Thin Film" being accepted in Advanced Optical Materials!

 

30.05.2023

The editors at Nature Communications have put together an Editors’ Highlights webpage of recent research called “Devices” (https://www.nature.com/ncomms/editorshighlights). We are pleased that Antonio Fornieri chose to feature our article, entitled “Van der Waals Nanomesh Electronics on Arbitrary Surfaces”.

 

The Editors’ Highlights pages aim to showcase the 50 best papers recently published in an area, and they routinely replace papers as more great research is published at Nature Communications.

 

29.05.2023

Welcome Dr. Chenxu Zhang to join the Ho Research Group as a visiting Post-Doctoral Reseach Fellow!

 

23.05.2023

Congrat to Ho Research Group for the collaborative work "Optically Readable Organic Electrochemical Synaptic Transistors for Neuromorphic Photonic Image Processing" being accepted in Nano Letters!

 

07.05.2023

Congrat to Yezhan Li for his work "High-Performance Photodetectors based on Two-Dimensional Perovskite Crystals with Alternating Interlayer Cations" being accepted in Journal of Materiomics!

 

30.04.2023

Congrat to Ho Research Group for winning the Gold Medal with the topic of "Solar-Electrocatalytic System for Hydrogen Generation" at the 48th International Exhibition of Inventions Geneva!

 

17.04.2023

Congrat to Ho Research Group for the collaborative work "Green Fabrication of Freestanding Piezoceramic Films for Energy Harvesting and Virus Detection" being accepted in Nano-Micro Letters!

 

15.04.2023

Congrat to You Meng for his work "Van der Waals Nanomesh Electronics on Arbitrary Surfaces" being accepted in Nature Communications!

 

13.04.2023

Congrat to Dengji Li for his work "Selective Surface Engineering of Perovskite Microwires Arrays" being accepted in Advanced Functional Materials!

 

12.03.2023

Congrat to Ho Research Group for the collaborative work "Piezoelectricity Regulated Ohmic Contact in M/BaTiO3 (M= Ru, Pd, Pt) for Charge Collision and Hydrogen Free Radical Production in Ammonia Electrosynthesis" being accepted in Materials Today!

 

06.03.2023

Congrat to Ho Research Group for the collaborative work "Chemical Vapor Deposition Growth and Photodetector Performance of Lead-Free All-Inorganic Crystalline Cs3Sb2X9 (X= I, Br) Perovskite Thin Films" being accepted in Journal of Materials Chemistry C!

 

03.03.2023

Congrat to Zhengxun Lai for his work "Contact Engineering of Halide Perovskites: Gold is not Good Enough; Metalloid is Better" being accepted in Small Methods!

 

21.02.2023

Congrat to Ho Research Group for the collaborative work "Electronic/optoelectronic memory device enabled by tellurium-based 2D van der Waals heterostructure for in-sensor reservoir computing at the optical communication band" being accepted in Advanced Materials!

 

15.02.2023

Welcome Dr. Zenghui Wu to join the Ho Research Group as a Post-Doctoral Reseach Fellow!

 

10.02.2023

Congrat to Dong Chen for her work "Tailored p-Orbital Delocalization by Diatomic Pt-Ce Induced Interlayer Spacing Engineering for Highly-Efficient Ammonia Electrosynthesis" being featured as the "Back Cover Article" in Advanced Energy Materials!

 

09.02.2023

Congrat to Ho Research Group for the collaborative work "Long-Chain Alkylammonium Organic–Inorganic Hybrid Perovskite for High Performance Rechargeable Aluminon-ion Battery" being accepted in Nano Energy!

 

08.02.02023

Congrat to You Meng for his work "Au-Seeded CsPbI3 Nanowire Optoelectronics via Exothermic Nucleation" being featured as the "Supplementary Cover Article" in Nano Letters!

 

26.01.2023

Welcome Dr. He Shao (Hong Kong Scholar) to join the Ho Research Group as a Post-Doctoral Reseach Fellow!

 

04.01.2023

Congrat to Weijun Wang for his work "Electrically Switchable Polarization in Bi2O2Se Ferroelectric Semiconductors" being accepted in Advanced Materials!

 

01.01.2023

Yi Shen joins the Ho Research Group.

 

 

Year 2022:

 

23.12.2022

Congrat to You Meng for his work "Au-Seeded CsPbI3 Nanowire Optoelectronics via Exothermic Nucleation" being accepted in Nano Letters!

 

14.12.2022

Congrat to Ho Research Group for the collaborative work "Two-step Magnetic-pulling CVD Growth of CdS1-xSex Lateral Nanoribbon Heterostructures for High-performance Photodetectors" being accepted in Advanced Photonics Research!

 

14.12.2022

Group gathering at Euphoric Banquet to celebrate the upcoming Christmas Season. Happy Holidays!

L-R: Di Yin (PhD Student - Year 2), Jiajia Zha (PhD Student - Year 3), Yuxuan Zhang (PhD Student - Year 2), Wei Wang (PhD Student - Year 4), You Meng (Post-Doctoral Research Fellow), Dengji Li (PhD student - Year 2), Boxiang Gao (PhD Student - Year 1), Johnny Ho (Principal Investigator), Yi Shen (PhD Student - Year 1), Quan Quan (PhD student - Year 4), Yan Yan (PhD Student - Year 1), Dong Chen (PhD student - Year 3), Zhengxun Lai (PhD student - Year 4), Bowen Li (Post-Doctoral Research Fellow), Yezhan Li (PhD Student - Year 1), Weijun Wang (PhD student - Year 3).

* It was pity that Pengshan Xie (PhD student - Year 3) was absent.

 

09.12.2022

Congrat to Dengji Li for his work "Surface Energy-Mediated Self-Catalyzed CsPbBr3 Nanowires for Phototransistors" being featured as the "Back Cover Article" in Advanced Electronic Materials!

 

29.11.2022

Congrat to Dong Chen for her work "Tailored p-Orbital Delocalization by Diatomic Pt-Ce Induced Interlayer Spacing Engineering for Highly-Efficient Ammonia Electrosynthesis" being accepted in Advanced Energy Materials!

 

21.11.2022

Welcome Dr. Bowen Li to join the Ho Research Group as a Post-Doctoral Reseach Fellow!

 

02.11.2022

Congrat to Pengshan Xie for his work "Artificial Visual Systems with Tunable Photoconductivity Based on Organic Molecule-Nanowire Heterojunctions" being accepted in Advanced Functional Materials!

 

29.10.2022

Congrat to Ho Resaerch Group for the collaborative work "Highly Active and Stable Amorphous IrOx/CeO2 Nanowires for Acidic Oxygen Evolution" being accepted in Nano Energy!

 

01.10.2022

Yan Yan joins the Ho Research Group.

 

15.09.2022

Congrat to Xiuming Bu for his work "Remarkable Gas Bubble Transport Driven by Capillary Pressure in 3D Printing-Enabled Anisotropic Structures for Efficient Hydrogen Evolution Electrocatalysts" being accepted in Applied Catalysis B - Environmental!

 

05.09.2022

Congrat to Dengji Li for his work "Surface Energy-Mediated Self-Catalyzed CsPbBr3 Nanowires for Phototransistors" being accepted in Advanced Electronics Materials!

 

02.09.2022

Congrat to Zhengxun Lai and Wei Wang for their awards of Outstanding Academic Performance Award!

 

02.09.2022

Congrat to Zhengxun Lai, Wei Wang, Weijung Wang and Quan Quan for their awards of Research Tuition Scholarship!

 

01.09.2022

Jiajia Zha and Boxiang Gao join the Ho Research Group.

 

30.08.2022

Congrat to Ho Research Group for the collaborative work "Realizing the Switching of Optoelectronic Memory and Ultrafast Detector in Functionalized-Black Phosphorus/MoS2 Heterojunction" being accepted in Laser & Photonics Reviews!

 

16.08.2022

Congat to You Meng for his work "One-Dimensional Atomic Chains for Ultimate-Scaled Electronics" being accepted in ACS Nano!

 

28.07.2022

Congrat to Ho Reserch Group for the collaboration work "Laser-induced Modifiable Dual-wavelength Emissions from Lead Halide Perovskite Alloy Microcrystal" being accepted in Advanced Materials Interfaces!

 

28.07.2022

Congrat to Ho Research Group for the collaboration work "Room-Temperature Broad-Wavelength-Tunable Single-Mode Lasing from Alloyed CdS1–xSex Nanotripods" being accepted in ACS Nano!

 

30.06.2022

Congrat to Quan Quan for her work "Topochemical Domain Engineering to Construct 2D Mosaic Heterostructure with Internal Electric Field for High-Performance Overall Water Splitting" being accepted in Nano Energy!

 

29.06.2022

Congrat to Ho Research Group for the collaboration work "Recent Progress on the Long-Term Stability of Hydrogen Evolution Reaction Electrocatalysts" being accepted in InfoMat!

 

28.06.2022

Congrat to Ho Research Group for the collaboration work "Hybrid C8-BTBT/InGaAs Nanowires Heterojunction for Artificial Photosynaptic Transistors" being accepted in Journal of Semiconductors!

 

21.06.2022

Congrat to Wei Wang for his work "Mixed-Dimensional Anti-ambipolar Phototransistors Based on 1D GaAsSb/2D MoS2 Heterojunctions" being accepted in ACS Nano!

 

20.06.2022

Congrat to Xiuming Bu for his work "Superior Electrocatalyst for All-pH Hydrogen Evolution Reaction: Heterogeneous Rh/N and S co-doped Carbon Yolk-Shell Nanospheres" being accepted in Advanced Functional Materials!

 

20.06.2022

Congrat to Zhengxun Lai for his work "PDMS-Assisted Low-Temperature Synthesis of Submillimeter All-Inorganic Halide Perovskite Microcrystals for High-performance Photodetectors" being accepted in Advanced Optical Materials!

 

20.06.2022

Congrat to Quan Quan for her work "Recent Advances in the Construction of Two-Dimensional Heterostructures for Electrocatalytic Water Splitting" being accepted in Advanced Energy and Sustainability Research!

 

08.06.2022

Congrat to Ho Research Group for the collaboration work "Tunable d-Band Centers of Ni5P4 Ultra-Thin Nanosheets for Highly-Efficient Hydrogen Evolution Reaction" being accepted in Advance Materials Interfaces!

 

30.05.2022

Congrat to Ho Research Group for the collaboration work "Self-assembling Nacre-like high-strength and extremely tough polymer composites with new toughening mechanism" being accepted in Journal of Materials Science & Technology!

 

17.05.2022

Congrat to Zhengxun Lai for his work "Drop-Casting Halide Microcrystals Enabled by Green Glycol Solvent for High-Performance Photodetectors" being accepted in Advanced Photonics Research!

 

30.04.2022

Congrat to Ho Research Group for the collaboration work "Near-Infrared Polarimetric Image Sensors Based on Ordered Sulfur-Passivation GaSb Nanowires Arrays" accepted in ACS Nano!

 

29.04.2022

Congrat to Dong Chen for her work "Synergistic Modulation of Local Environment for Electrochemical Nitrate Reduction via Asymmetric Vacancies and Adjacent Ion Clusters" being accepted in Nano Energy!

 

25.04.2022

Congrat to Wei Wang for his work "Luminescent Concentrators Enable Highly Efficient and Broadband Photodetection" being accepted in Light: Science & Applications!

 

12.04.2022

Congrat to Weijung Wang for his work "Highly-Efficient Full van der Waals 1D p-Te/2D n-Bi2O2Se Heterodiodes with Nanoscale Ultra-Photosensitive Channels" being accepted in Advanced Functional Materials!

 

28.02.2022

Congrat to Quan Quan for her work "Sequential Self-Reconstruction of Localized Mo Species in Hierarchical Carbon/Co–Mo Oxide Heterostructures for Boosting Alkaline Hydrogen Evolution Kinetics and Durability" being featured as the "Inside Font Cover Article" of Journal of Materials Chemistry A!

 

17.02.2022

Congrat to Xiuming Bu for his work "NiMo@C3N5 Heterostructures with Multiple Electronic Transmission Channels for Highly Efficient Hydrogen Evolution from Alkaline Electrolytes and Seawater" being accepted in Chemical Engineering Journal!

 

07.02.2022

Congrat to Ho Research Group for the collaborative work "Deconvoluting the Energy Transport Mechanisms in All-Inorganic CsPb2Br5/CsPbBr3 Perovskite Composite Systems" being accepted in APL Materials!

 

01.19.2022

Congrat to Ho Research Group for the collaborative work "Few-Layer Bismuth Selenide Cathode for Low-Temperature Quasi-Solid-State Aqueous Zinc Metal Batteries" being accepted in Nature Communications!

 

 

Year 2021:

 

14.12.2021

Congrat to Quan Quan for her work "Sequential Self-Reconstruction of Localized Mo Species in Hierarchical Carbon/Co–Mo Oxide Heterostructures for Boosting Alkaline Hydrogen Evolution Kinetics and Durability" being accepted in Journal of Materials Chemistry A!

 

06.12.2021

Congrat to Ho Research Group for the collaborative work "Infrared Photodetectors based on Two-Dimensional Materials and Nanophotonics" being accepted in Advanced Functional Materials!

 

22.11.2021

Congrat to Ho Research Group for the collaborative work "On-Wire Axial Perovskite Heterostructures for Monolithic Dual-Wavelength Laser" being accepted in Nano Energy!

 

21.11.2021

Congrat to Xiaolin Kang for his work "High-Performance Electrically Transduced Hazardous Gas Sensors Based on Low-Dimensional Nanomaterials" being featured as the "Inside Front Cover Article" of Nanoscale Advances!

 

16.11.2021

Congrat to Zhengxun Lai for his work "Solution-Processed Lead-Free Double Perovskite Microplatelets with Enhanced Photoresponse and Thermal Stability" being accepted in SCIENCE CHINA Materials!

 

02.11.2021

Group gathering to celebrate the departure of Dr. Fei Wang. We wish him and his family the best in Changchun Institute of Optics, Fine Mechanics and Physics!

L-R: You Meng (Post-Doctoral Research Fellow), Pengshan Xie (PhD Student - Year 2), Dengji Li (PhD student - Year 1), Yezhan Li (PhD Student - Year 1), Min Luo (Visiting Postgraduate Student), Di Yin (PhD Student - Year 1), Dong Chen (PhD student - Year 2), Fei Wang (Post-Doctoral Research Fellow - HK Scholar), Johnny Ho (Principal Investigator), Zhengxun Lai (PhD student - Year 3), Yuxuan Zhang (PhD Student - Year 1), Wei Wang (PhD student - Year 3), Weijun Wang (PhD student - Year 2), Xiaolin Kang (PhD student - Year 4), Quan Quan (PhD student - Year 3).

* It was pity that Xiuming Bu (Post-Doctoral Research Fellow) was absent.

 

21.10.2021

Congrat to Pengshan Xie for his work "Ferroelectric P(VDF-TrFE) Wrapped InGaAs Nanowires for Ultralow-Power Artificial Synapses" being accepted in Nano Energy!

 

16.10.2021

Congrat to Ho Research Group for the collaborative work "Enhanced Epitaxial Growth of Two-Dimensional Monolayer WS2 Film with Large Single Domains" being accepted in Applied Materials Today!

 

15.10.2021

Congrat to Ho Research Group for the collaborative work "Vacancy Modulating Co3Sn2S2 Topological Semimetal for Aqueous Zinc-Ion Batteries" being accepted in Angewandte Chemie – International Edition!

 

13.10.2021

Congrat to Ho Research Group for the collaborative work "NiFe-Layered Double Hydroxides Arrays for Oxygen Evolution Reaction in Fresh Water and Seawater" being accepted in Materials Today Energy!

 

7.10.2021

Congrat to You Meng for winning the Outstanding Research Thesis Award!

 

27.09.2021

Congrat to Zhengxun Lai for his work "Direct Drop-Casting Synthesis of All-Inorganic Lead and Lead-Free Halide Perovskite Microcrystals for High-Performance Photodetectors" being accepted in Nano Research!

 

23.09.2021

Congrat to Wei Wang for his work "Antimony-Rich GaAsxSb1-x Nanowires Passivated by Organic Sulfides for High-Performance Transistors and Near-Infrared Photodetectors" in Advanced Optical Materials featured in Hot Topic: Surfaces and Interfaces by Wiley!

 

22.09.2021

Congrat to Ho Research Group for the collaborative work "Stable Bismuth-Antimony Alloy Cathode with a Conversion-Dissolution/Deposition Mechanism for High-Performance Zinc Batteries" being accepted in Materials Today!

 

16.09.2021

Congrat to Ho Research Group for the collaborative work "Toward Unusual-High Hole Mobility of p-Channel Field-Effect-Transistors" being featured as the "Front Cover Article" of Small!

 

14.09.2021

Di Yin joins the Ho Research Group.

 

09.09.2021

Congrat to Xiaolin Kang for his work "High-Performance Electrically-transduced Hazardous Gas Sensors based on Low-dimensional Nanomaterials" being accepted in Nanoscale Advances!

 

06.09.2021

Congrat to Zhengxun Lai for his work "Superior Performance and Stability of Two-Dimensional Dion–Jacobson Halide Perovskite Photodetectors Operated under Harsh Conditions without Encapsulation" being accepted in Advanced Optical Materials!

 

31.08.2021

Yezhan Li joins the Ho Research Group.

 

30.08.2021

Congrat to Dong Chen for her award of Outstanding Academic Performance Award!

 

30.08.2021

Congrat to Zhengxun Lai, Wei Wang and Dong Chen for their awards of Research Tuition Scholarship!

 

23.08.2021

Congrat to You Meng for his work "Quantum Artificial Synapses" being accepted in Advanced Quantum Technologies!

 

19.08.2021

Congrat to Wei Wang for his work "Antimony-Rich GaAsxSb1-x Nanowires Passivated by Organic Sulfides for High-Performance Transistors and Near-Infrared Photodetectors" being accepted in Advanced Optical Materials!

 

13.07.2021

Congrat to Ho Research Group for the collaborative work "Two-Step Chemical Vapor Deposition Synthesized Lead-Free All-Inorganic Cs3Sb2Br9 Perovskite Microplates for Optoelectronic Applications" being accepted in ACS Applied Materials & Interfaces!

 

08.07.2021

Congrat to Ho Research Group for the collaborative work "Toward Unusual-High Hole Mobility of p-Channel Field-Effect-Transistors" being accepted in Small!

 

21.06.2021

Yuxuan Zhang joins the Ho Research Group.

 

10.06.2021

Group gathering to celebrate the departure of Dr. SenPo Yip. We wish him to have an exciting new life as an Associate Professor at Kyushu University, Japan!

L-R: Dongyuan Song (Incoming Phd Student), Weijun Wang (PhD student - Year 1), Zhengxun Lai (PhD student - Year 2), Wei Wang (PhD student - Year 2), Fei Wang (Post-Doctoral Research Fellow - HK Scholar), Pengshan Xie (PhD Student - Year 1), SenPo Yip (Post-Doctoral Research Fellow), Xiuming Bu (Post-Doctoral Research Fellow), Johnny Ho (Principal Investigator), Dengji Li (PhD student - Year 1), Quan Quan (PhD student - Year 2), You Meng (PhD student - Year 3), Xiaolin Kang (PhD student - Year 3), Dong Chen (PhD student - Year 1), Xueda Liu (Incoming PhD student).

 

20.04.2021

Congrat to Prof. Ho to be named as a Fellow of the Royal Society of Chemistry (FRSC)!

 

25.02.2021

Congrat to Zhengxun Lai for his work "High-Performance Flexible Self-Powered Photodetectors Utilizing Spontaneous Electron and Hole Separation in Quasi-2D Halide Perovskites" being accepted in Small!

 

18.02.2021

Congrat to Quan Quan for her work "Self-Anti-Stacking 2D Metal Phosphide Loop-Sheet Heterostructures by Edge-Topological Regulation for Highly Efficient Water Oxidation" being featured as the "Front Cover Article"of Small!

 

02.02.2021

Congrat to Ho Research Group for the collaborative work "Mechanism of Non-Catalytic Chemical Vapor Deposition Growth of All-Inorganic CsPbX3 (X=Br, Cl) Nanowires" being accepted in Journal of Materials Chemistry C!

 

26.01.2021

Congrat to Ho Reseach Group for the collaborative work "Thermally Robust and Strongly Oxidizing Surface of WO3 Hydrate Nanowires for Electrical Aldehyde Sensing with Long-Term Stability" being accepted in Journal of Materials Chemistry A!

 

20.01.2021

Congrat to Sujit Kumer Shil and Fei Wang for their work "Crystalline All-Inorganic Lead-Free Cs3Sb2I9 Perovskite Microplates with Ultra-Fast Photoconductive Response and Robust Thermal Stability" being accepted in Nano Reserach!

 

19.01.2021

Our work "Artificial visual system of record-low energy consumption for the next generation of AI" has been highlighted in various local media, including TaKungPao, SingDao Daily, Hong Kong Economic Journal, Edigest.hk, OPEN GOV, Sina HK, Wechat, CityU Research News, etc.

 

14.01.2021

Congrat to Ho Research Group for the collaborative work "High Elasticity of CsPbBr3 Perovskite Nanowires for Flexible Electronics" being accepted in Nano Research!

 

11.01.2021

Denji Li joins the Ho Research Group.

 

 

Year 2020:

 

23.12.2020

Congrat to Xiaolin Kang for his work "Van der Waals PdSe2/WS2 Heterostructures for Robust High-Performance Broadband Photodetection from Visible to Infrared Optical Communication Band" being accepted in Advanced Optical Materials!

 

21.12.2020

Congrat to Quan Quan for her work "Self-Anti-Stacking 2D Metal Phosphide Loop-Sheet Heterostructures by Edge-Topological Regulation for Highly Efficient Water Oxidation" being accepted in Small!

 

12.12.2020

Our work "Artificial visual system of record-low energy consumption for the next generation of AI" hsa been highlighted in various scientific magazines, including Eurek Alert, Haptic, Semiconductor Digest, Science Daily, Tech Xplore, etc.

 

11.12.2020

Congrats to Ho Research Group for the collaborative work "Photoresponse Improvement of Mixed-Dimensional 1D-2D GaAs Photodetectors through Incorporating Constructive Interface States" being accepted in Nanoscale!

 

27.11.2020

Congrats to Prof. Ho for winning The President's Award 2020, recognizing his exemplary contributions to research and professional education at City University of Hong Kong!

 

25.11.2020

Congrats to Changyong Lan for his work "Gate Bias Stress Instability and Hysteresis Characteristics of InAs Nanowire Field-Effect Transistors" being accepted in ACS Applied Materials & Interfaces!

 

21.10.2020

Congrat to Heng Zhang for her work "Enhanced Performance of Near-Infrared Photodetectors based on InGaAs Nanowires Enabled by a Two-Step Growth Method" being accepted in Journal of Materials Chemistry C!

 

20.10.2020

Pengshzn Xie joins the Ho Research Group.

 

14.10.2020

Congrats to SenPo Yip for his work "Unusual Phase-Pure Zinc Blende and Highly-Crystalline As-rich InAs1-xSbx Nanowires for High-Mobility Transistors" being featured as the "Front Cover" as well as the "Hot Paper" for the 2020 theme collection of Journal of Materials Chemistry C!

 

24.09.2020

Congrat to You Meng for his work "Artificial Visual Systems Enabled by Quasi-Two-Dimensional Electron Gases in Oxide Superlattice Nanowires" being accepted in Science Advances!

 

23.09.2020

Congrat to Xiuming Bu for his work "More Than Physical Support: The Effect of Nickel Foam Corrosion on Electrocatalytic Performance" being accepted in Applied Surface Science!

 

15.09.2020

Congrat to Ho Research Group on winning the "Nano Research Top Papers Award" in 2020! The winner is determined by the Award Committee according to the citation in the latest year and the contribution of the paper.

 

11.09.2020

Congrat to You Meng for his work "Perovskite Core-Shell Nanowire Transistors: Interfacial Transfer Doping and Surface Passivation" being accepted in ACS Nano!

 

05.09.2020

Congrat to Wei Gao for his work "In Situ Electrochemical Conversion of Cobalt Oxide@MOF-74 Core-Shell Structure as An Efficient and Robust Electrocatalyst for Water Oxidation" being accepted in Applied Materials Today!

 

01.09.2020

Dong Chen joins the Ho Research Group.

 

28.08.2020

Congrat to Dapan Li for his work "Flexible Near-Infrared InGaSb Nanowire Array Detectors with Ultrafast Photoconductive Response Below 20 μs" being accepted in Advanced Optical Materials!

 

25.08.2020

Congrats to You Meng, Quan Quan and Wei Wang for their awards of Research Tuition Scholarship!

 

12.08.2020

Congrat to Changyong Lan for his work "2D WS2: From Vapor Phase Synthesis to Device Applications" being accepted in Advanced Electronic Materials!

 

07.08.2020

Congrat to Zhengxun Lai for his work "Bication-Mediated Quasi-2D Halide Perovskites for High- Performance Flexible Photodetectors: From Ruddlesden−Popper Type to Dion−Jacobson Type" being accepted in ACS Applied Materials & Interfaces!

 

03.08.2020

Weijun Wang joins the Ho Research Group.

 

28.07.2020

Congrat to Ho Research Group for the collaborative work "Face-Selective Tungstate Ions Drive Zinc Oxide Nanowire Growth Direction and Dopant Incorporation" being accepted in Materials Communications!

 

21.07.2020

Congrat to Ming Fang for his work "Surface‐Guided Formation of Amorphous Mixed‐Metal Oxyhydroxides on Ultrathin MnO2 Nanosheet Arrays for Efficient Electrocatalytic Oxygen Evolution" being featured as the "Front Cover Article" of Advanced Energy Materials!

 

21.07.2020

Congrat to Changyong Lan for his work "The Origin of Gate Bias Stress Instability and Hysteresis in Monolayer WS2 Transistors" being accepted in Nano Research!

 

15.07.2020

Congrat to Xiuming Bu for his work "Efficient and Stable Electrocatalysts for Water Splitting" being featured as the "Front Cover Article" of MRS Bulletin!

 

12.07.2020

Congrat to Xiuming Bu for his work "Morphology and Strain Control of Hierarchical Cobalt Oxide Nanowire Electrocatalysts via Solvent Effect" being accepted in Nano Research!

 

09.07.2020

The PI, Prof. Johnny Ho, wins the "RGC Research Fellowship Award". There are only 10 awards in all of Hong Kong in all subjects each year.

 

07.07.2020

Congrat to Fangzhou Li for his work "High-Mobility In and Ga co-doped ZnO Nanowires for High-Performance Transistors and Ultraviolet Photodetectors" being accepted in Nanoscale!

 

01.07.2020

The PI, Dr. Johnny Ho, is promoted to Full Professor at City University of Hong Kong.

 

29.06.2020

Congrat to SenPo Yip for his work "Unusual Phase-Pure Zinc Blende and Highly-Crystalline As-rich InAs1-xSbx Nanowires for High-Mobility Transistors" being accepted in Journal of Materials Chemistry C!

 

22.06.2020

Congrat to Ho Research Group for the collaborative work "Controllable Optical Emission Wavelength in All-Inorganic Halide Perovskite Alloy Microplates Grown by Two-Step Chemical Vapor Deposition" being accepted in Nano Research!

 

01.06.2020

Congrat to Ho Research Group for the collaborative work "Stable Hysteresis-Free MoS2 Transistors with Low-k/High-k Bilayer Gate Dielectrics" being accepted in IEEE Electron Device Letters!

 

28.05.2020

Congrat to Xiuming Bu for his work "Efficient and Stable Electrocatalysts for Water Splitting" being accepted in MRS Bulletin!

 

25.05.2020

Congrat to Ho Reserach Group for the collaborative work "Surface-Guided Formation of Amorphous Mixed‐Metal Oxyhydroxides on Ultrathin MnO2 Nanosheet Arrays for Efficient Electrocatalytic Oxygen Evolution" being accepted in Advanced Energy Materials!

 

26.02.2020

Congrat to Ho Research Group for the collaborative work "Enhancing Performance of a GaAs/AlGaAs/GaAs Nanowire Photodetector Based on the Two-Dimensional Electron-Hole Tube Structure" being accepted in Nano Letters!

 

02.01.2020

The PI, Dr. Johnny Ho, wins the CityU Outstanding Supervisor Award 2019.

 

 

Year 2019:

 

11.12.2019

Congrat to Ho Research Group for the collaborative work "Substantially Improving Device Performance of All-Inorganic Perovskite-Based Phototransistors via Indium Tin Oxide Nanowire Incorporation" being accepted in Small!

 

09.12.2019

Congrat to Ho Research Group for the collaborative work "Flexible Quasi-2D Perovskite/IGZO Phototransistors for Ultrasensitive and Broadband Photodetection" being accepted in Advanced Materials!

 

13.11.2019

Welcome Dr. Fei Wang (Hong Kong Scholar) to join the Ho Research Group as a Post-Doctoral Reseach Fellow!

 

18.10.2019

Congrat to SenPo Yip for his work "Recent Advances in Flexible Photodetectors based on 1D Nanostructures" being accepted in Journal of Semiconductors!

 

17.10.2019

Congrat to Ho Research Group for the collaborative work "Full-Color Reflective Filters in a Large Area with a Wide-Band Tunable Absorber Deposited by One-Step Magnetron Sputtering" being accepted in Advanced Optical Materials!

 

14.10.2019

Congrat to Xiuming Bu for his work "Simple and Cost Effective Fabrication of 3D Porous Core-shell Ni Nanochains@NiFe Layered Double Hydroxide Nanosheets Bifunctional Electrocatalysts for Overall Water Splitting" being featured as the "Back Cover Article" of Journal of Materials Chemistry A!

 

04.10.2019

Congrat to Fangzhou Li for his work "High-Performance Transparent Ultraviolet Photodetectors Based on InGaZnO Superlattice Nanowire Arrays" being accepted in ACS Nano!

 

25.09.2019

Congrat to Xiuming Bu for his work "Two-Dimensional Cobalt Phosphate Hydroxide Nanosheets: A New Type of High-Performance Electrocatalysts with Intrinsic CoO6 Lattice Distortion for Water Oxidation" being accepted in ACS Applied Materials & Interfaces!

 

29.08.2019

Congrat to Changyong Lan for his work "Utilizing NaOH Promoter to Achieve Large Single-Domain Monolayer WS2 Films via Modified Chemical Vapor Deposition" being accepted in ACS Applied Materials & Interfaces!

 

26.08.2019

Congrat to Ho Research Group for the collaborative work "Global Photocurrent Generation in Phototransistors Based on Single-Walled Carbon Nanotubes toward Highly Sensitive Infrared Detection" being accepted in Advanced Optical Materials!

 

23.08.2019

Congrats to Fangzhou Li and You Meng for their awards of Research Tuition Scholarship and Outstanding Academic Performance Award!

 

21.08.2019

Congrat to Heng Zhang for her work "Self-Assembly of Colloidal Particles for Fabrication of Structural Color Materials towards Advanced Intelligent Systems" being accepted in Advanced Intelligent Systems!

 

19.08.2019

Congrat to Changyong Lan on winning the "Best Poster Award" at the 8th International Conference on Nanoscience & Technology. China (ChinaNANO) 2019!

 

01.08.2019

Quan Quan, Wei Wang, Zhengxun Lai join the Ho Research Group.

 

30.07.2019

Congrat to Xiuming Bu for his work "Simple and Cost Effective Fabrication of 3D Porous Core-shell Ni Nanochains@NiFe Layered Double Hydroxide Nanosheets Bifunctional Electrocatalysts for Overall Water Splitting" being accepted in Journal of Materials Chemistry A!

 

15.07.2019

Congrat to Ruoting Dong for her work "Incorporating Mixed Cations in Quasi-2D Perovskites for High-Performance and Flexible Photodetectors" being accepted in Nanoscale Horizons!

 

10.07.2019

Congrat to Ho Research Group for the collaborative work "Cerium Phosphate as a Novel Cocatalyst Promoting NiCo2O4 Nanowire Arrays for Efficient and Robust Electrocatalytic Oxygen Evolution" being accepted in ACS Applied Energy Materials!

 

06.07.2019

Group dinner gathering at Guangdong Hotel (Shenzhen) to celebrate the Summer of 2019.

L-R: Heng Zhang (Phd Student), Ming Fang (Ho Research Group Alumnus), Dapan Li (Co-Advised Post-Doctoral Researcher), Renjie Wei (PhD student), Quan Quan (PhD Student), Johnny Ho (Principal Investigator), Xiuming Bu (Co-Advised PhD student), SenPo Yip (Post-Doctoral Researcher), Xiaolin Kang (PhD student), Ruoting Dong (PhD Student), Fangzhou Li (PhD Student), You Meng (PhD student).

 

26.06.2019

Congrat to Renjie Wei and You Meng for their poster presentations at the 18th Joint Symposium on Materials Science and Engineering for the 21st Century in Sendai, Japan!

Renjie Wei discusses his work of engineering surface structure of spinel oxides via high-valent vanadium doping for efficient electrocatalytic oxygen evolution reaction (left). You Meng introduces his development of direct vapor-liquid-solid synthesis of all-inorganic perovskite nanowires for high-performance electronics and optoelectronics (right).

 

28.05.2019

Congrat to Ruoting Dong and Fangzhou Li for their poster presentations at the European Materials Research Scoiety (EMRS) Meeting, Spring 2019 in Nice, France!

Ruoting Dong introduces her work of high-performance and flexible quasi-2D perovskite photodetectors with mixed cations incorporation (left). Fangzhou Li discusses his development of crystalline InGaZnO nanowires for high-mobility electronic devices (right).

 

10.05.2019

Congrat to Fangzhou Li for his work "Crystalline InGaZnO Quaternary Nanowires with Superlattice Structure for High-Performance Thin-Film Transistors" being accepted in Nano Research!

 

10.05.2019

Congrat to Ho Research Group for the collaborative work "Optical Properties of In2xGa2−2xO3 Nanowires Revealed by Photoacoustic Spectroscopy"being accepted in ACS Applied Materials & Interfaces!

 

09.05.2019

Congrat to You Meng for his work "Direct Vapor-Liquid-Solid Synthesis of All-Inorganic Perovskite Nanowires for High-Performance Electronics and Optoelectronics" being accepted in ACS Nano!

 

18.04.2019

Congrat to Xiuming Bu for his work "A Unique Sandwich Structure of CoMnP/Ni2P/NiFe Electrocatalyst for Highly Efficient Overall Water Splitting" being accepted in Journal of Materials Chemistry A!

 

02.04.2019

Congrat to Ho Research Group for the collaborative work "Perovskite/Black Phosphorus/MoS2 Photogate Reversed Photodiodes with Ultrahigh Light On/Off Ratio and Fast Response" being accepted in ACS Nano!

 

19.03.2019

Congrat to Dapan Li for his work "Ultra-Fast Photodetectors based on High-Mobility Indium Gallium Antimonide Nanowires" being accepted in Nature Communications!

 

27.02.2019

Group dinner gathering at Yipin Hong Chuan Cuisine (Shenzhen) to celebrate the Spring Festival of 2019.

L-R: Dapan Li (Co-Advised Post-Doctoral Researcher), Ming Fang (Ho Research Group Alumnus), Xiaolin Kang (PhD student), Heng Zhang, (PhD student), Ruoting Dong (PhD Student), Xiuming Bu (Co-Advised PhD student), Johnny Ho (Principal Investigator), Changyong Lan (Post-Doctoral Researcher), You Meng (PhD student), SenPo Yip (Post-Doctoral Researcher), Renjie Wei (PhD student).

* It was pity that Fangzhou Li (PhD Student) was absent.

 

07.02.2019

Congrat to Wei Gao for his work "Incorporation of Rare Earth Elements with Transition Metal-Based Materials for Electrocatalysis: A Review for Recent Progress" being accepted in Materials Today Chemistry!

 

25.01.2019

Congrat to Ho Research Group for the collaborative work "Recent Advances on Layered Double Hydroxide Electrocatalysts for Oxygen Evolution Reaction" being accepted in Journal of Materials Chemistry A!

 

14.01.2019

Congrat to Ziyao Zhou for his work "Transparent Metal-Oxide Nanowires: Review and Issues for Harsh Electronics" being featured as the "Inside Front Cover Article" of Journal of Materials Chemistry C!

 

09.01.2019

Congrat to SenPo Yip for his work "Recent Advances in III‐Sb Nanowires: From  Synthesis to Applications" being accepted in Nanotechnology!

 

 

Year 2018:

 

20.12.2018

Group dinner gathering at Shunde Cuisine (Shenzhen) to celebrate the PhD graduation of Dr. Ziyao Zhou. Congrat Dr. Zhou!

L-R: Xiuming Bu (Co-Advised PhD student), Ming Fang (Ho Research Group Alumnus), SenPo Yip (Post-Doctoral Researcher), Heng Zhang, (PhD student), Ziyao Zhou (PhD student), Johnny Ho (Principal Investigator), Renjie Wei (PhD student), Changyong Lan (Post-Doctoral Researcher), Ruoting Dong (PhD Student), You Meng (PhD student), Xiaolin Kang (PhD student), Fangzhou Li (PhD student), Lei Shu (Ho Research Group Alumnus).

 

17.12.2018

Congrat to Ho Reserach Group for the collaborative work "Modulating electrical performances of In2O3 nanofiber channel thin film transistors via Sr doping" being accepted in Advanced Electronic Materials!

 

29.11.2018

Congrat to Ho Research Group for the collaborative work "Enhanced Power Conversion Efficiency in Solution-Processed Rigid CuIn(S,Se)2 and Flexible Cu(In,Ga)Se2 Solar Cells Utilizing Plasmonic Au-SiO2 core-shell Nanoparticles" being accepted in Solar RRL!

 

28.11.2018

Group dinner gathering at Zhongfayuan Halal Restaurant (Jingtian Branch, Shenzhen) to celebrate the PhD graduation of Dr. Dapan Li and Dr. SenPo Yip. Congrat Dr. Li and Dr. Yip!

L-R: Fangzhou Li (PhD student), Xiaolin Kang (PhD student), Renjie Wei (PhD student), Heng Zhang, (PhD student), Johnny Ho (Principal Investigator), Dapan Li and his wife (PhD student), Xiuming Bu (Co-Advised PhD student), Changyong Lan (Post-Doctoral Researcher), Ziyao Zhou (PhD student), SenPo Yip (PhD student), You Meng (PhD student).

* It was a pity that Ruoting Dong (PhD Student) was absent.

 

26.11.2018

Congrat to Ruoting Dong for her poster presentation at the Materials Research Scoiety (MRS) Meeting, Fall 2018 in Boston, USA!

Ruoting Dong discusses her unique development of quasi-2D Ruddlesden-Popper perovskites based on short-chained spacer cation for enhanced photodetection.

 

22.11.2018

The PI, Dr. Johnny Ho, wins the CityU Outstanding Supervisor Award 2018.

 

19.11.2018

Congrat to Ziaoguang Liang for his work "Self-Assembly of Colloidal Spheres towards Fabrication of Hierarchical and Periodic Nanostructures for Technological Applications" being accepted in Advanced Materials Technology!

 

13.11.2018

Congrat to Ho Research Group for the collaborative work "Layered Ternary and Quaternary Transition Metal Chalcogenide Based Catalysts for Water Splitting" being accepted in Catalysts!

 

25.10.2018

Congrat to Ziyao Zhou for his work "Transparent Metal-Oxide Nanowires: Review and Issues for Harsh Electronics" being accepted in Journal of Materials Chemistry C!

 

16.10.2018

Congrat to Changyong Lan for his work "Two-Dimensional Perovskite Materials: from Synthesis to Energy-Related Applications" being accepted in Materials Today Energy!

 

05.10.2018

Congrat to Ho Research Group for the collaborative work "Nonpolar-Oriented Wurtzite InP Nanowires with Electron Mobility Approaching the Theoretical Limit" being accepted in ACS Nano!

 

17.09.2018

Congrat to Renjie Wei for his poster presentation at the European Materials Research Scoiety (EMRS) Meeting, Fall 2018 in Warsaw, Poland!

Renjie Wei discusses his unique development of high-index faceted porous Co3O4 nanosheets for highly efficient water oxidation.

 

16.09.2018

Congrats to Ho Research Group for the collaborative work "Sub-kT/q Switching in In2O3 Nanowire Negative Capacitance Field-Effect Transistor" being accepted in Nanoscale!

 

27.08.2018

Congrats to Ruoting Dong and Renjie Wei for their awards of Research Tuition Scholarship and Outstanding Academic Performance Award!

 

27.08.2018

Congrat to Ho Research Group for the collaborative work "GaAs Nanowires Grown by Catalyst Epitaxy for High Performance Photovoltaics" being accepted in Crystals!

 

17.08.2018

Congrat to Xiaoguang Liang for his work "Coupling of Nickel Boride and Ni(OH)2 Nanosheets with Hierarchical Interconnected Conductive Porous Structure Synergizes the Oxygen Evolution Reaction" being accepted in ChemCatChem!

 

14.08.2018

Congrat to Ho Research Group for the collaborative work "Environmentally and Mechanically Stable Selenium 1D/2D Hybrid Structures for Broad-Range Photoresponse from Ultraviolet to Infrared Wavelengths" being accepted in ACS Applied Materials & Interfaces!

 

09.08.2018

Congrat to Changyong Lan for his work "Direct Visualization of Grain Boundaries in Two-Dimensional Monolayer WS2 via Induced Growth of CdS Nanoparticle Chains" being accepted in Small Methods!

 

09.08.2018

Group dinner gathering at Kedao Restaurant (Shenzhen) to celebrate the PhD graduation of Dr. Wei Gao. Congrat Dr. Gao!

L-R: Lei Shu (Research Assistant), Renjie Wei (PhD student), You Meng (PhD student), Heng Zhang, (PhD student), SenPo Yip (PhD student), Johnny Ho (Principal Investigator), Wei Gao (Co-Advised PhD student), Ruoting Dong (PhD Student), Dapan Li (PhD student), Changyong Lan (Post-Doctoral Researcher), Ziyao Zhou (PhD student), Fangzhou Li (PhD student), Ming Fang (Ho Research Group Alumnus, currently a faculty at Shenzhen University)

* It was a pity that Xiuming Bu (Co-Advised PhD student) and Xiaolin Kang (PhD student) were absent.

 

01.08.2018

You Meng and Xiao Kang join the Ho Research Goup.

 

11.07.2018

Congrat to Ho Research Group for the collaborative work "Spectroscopic examination of enamel staining by coffee indicates dentin erosion by sequestration of elements" being accepted inTalanta!

 

30.06.2018

Congrat to Ho Research Group for the collaborative work "Controlled Growth of Heterostructured Ga/GaAs Nanowires with Sharp Schottky Barrier" being accepted in Crystal Growth & Design!

 

22.06.2018

Congrat to Ho Research Group for the collaborative work "High-Performance Near-Infrared Photodetectors Based on p-type SnX (X=S, Se) Nanowires Grown via Chemical Vapor Deposition" being accepted in ACS Nano!

 

04.06.2018

The PI, Dr. Johnny Ho, wins the World Cultural Council (WCC) Special Recognition Award 2018.

 

29.05.2018

The PI, Dr. Johnny Ho, wins the CityU Outstanding Research Award 2018 for Junior Faculty.

 

23.05.2018

Congrat to Ziyao Zhou for his work "Towards high-mobility In2xGa2−2xO3 nanowire field-effect transistors" being accepted in Nano Research!

 

14.05.2018

Congrat to Ho Research Group for the collaborative work "Semi-solid and solid frustrated Lewis pair catalysts" being accepted in Chemical Society Review!

 

09.05.2018

Congrat to Ruoting Dong for her work "Novel Series of Qusai-2D Ruddlesden-Popper Perovskites Based on Short-Chained Spacer Cation for Enhanced Photodetection" being accepted in ACS Applied Materials & Interfaces!

 

27.04.2018

Congrat to Xiaoguang Liang for his work "Enhanced Performance of Perovskite Solar Cells based on Vertical TiO2 Nanotube Arrays with Full Filling of CH3NH3PbI3" being accepted in Applied Surface Science!

 

27.04.2018

Group dinner gathering at Chan Kun Kee (Shatin) to celebrate the Spring of 2018.

Bottom left (Counter-Clockwise): Ruoting Dong (PhD Student), Lei Shu (Research Assistant), Fangzhou Li (PhD student), Wei Gao (Co-Advised PhD student), Xiuming Bu (Co-Advised PhD student), Heng Zhang (PhD student), Renjie Wei (PhD student), Johnny Ho (Principal Investigator), SenPo Yip (PhD student), Ming Fang (Post-Doctoral Researcher), Jieru Zhang (MSc student), Ziyao Zhou (PhD student), Changyong Lan (Post-Doctoral Researcher), Xiaoguang Liang (Post-doctoral Researcher)

* It was a pity that Dapan Li (PhD Student) was absent.

 

26.04.2018

Congrat to Ho Research Group for the collaborative work "Phosphorus doped MoS2 nanosheets supported on carbon cloths as efficient hydrogen generation electrocatalysts" being featured as the "Inside Front Cover Article" of ChemCatChem!

 

06.04.2018

Congrat to Zaixing Yang for his work "Chalcogen passivation: an in-situ method to manipulate morphology and electrical property of GaAs nanowires" being accepted in Scientific Reports!

 

06.04.2018

Congrat to Xiaoguang Liang for his award of Outstanding Teaching Awards for Teaching Assistant!

 

04.04.2018

Congrat to Ziyao Zhou and Xiuming Bu for their poster presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2018 in Pheonix, Arizona, U.S.A.!

Ziyao Zhou introduces his work of high-performance field-effect transistors based on In2xGa2−2xO3 nanowires (left). Xiuming Bu discusses his development of novel hydroxyl salt based electrocatalysts for efficient overall water splitting (right).

 

07.02.2018

Congrat to Renjie Wei for his work "High-Index Faceted Porous Co3O4 Nanosheets with Oxygen Vacancy for Highly Efficient Water Oxidation" being accepted in ACS Applied Materials & Interfaces!

 

02.02.2018

Congrat to Ho Research Group for the collaborative research work "Regulating the Surface of Nanoceria and its Applications in Heterogeneous Catalysis" being accepted in Surface Science Reports!

 

10.01.2018

Congrat to Fengyun Wang for her work "ZnO Nanofiber Thin-Film Transistors with Low-Operating Voltages" being featured as the "Inside Cover Article" of Advanced Electronic Materials!

 

 

Year 2017:

 

28.12.2017

Congrat to Wei Gao for his work "Amine-modulated/engineered interfaces of NiMo electrocatalysts for improved hydrogen evolution reaction in alkaline solutions" being accepted in ACS Applied Materials & Interfaces!

 

11.12.2017

The PI, Dr. Johnny Ho, wins the CityU Outstanding Supervisor Award 2017.

 

06.12.2017

Congrat to Wei Gao for his work "Comprehensive understanding of the spatial configurations of CeO2 in NiO for electrocatalytic oxygen evolution reaction: embedded or surface-loaded" being accepted in Advanced Functional Materials!

 

30.11.2017

Congrat to Changyong Lan for his work "Wafer-Scale Synthesis of Monolayer WS2 by Enhanced Chemical Vapor Deposition for High-Performance Flexible Photodetectors" being accepted in Nano Research!

 

30.11.2017

Congrat to Ziyao Zhou for his poster presentations at the Materials Research Scoiety (MRS) Meeting, Fall 2017 in Boston, Massachusetts, U.S.A.!

Zhiyao Zhou introduces the background of GaSb nanowires (left) and MAPbI3 nanostructures for photodetection (right) during his poster presentations.

 

29.11.2017

Congrat to Ho Research Group for the collaborative research work "Phosphorus doped MoS2 nanosheets supported on carbon cloths as efficient hydrogen generation electrocatalysts" being accepted in ChemCatChem!

 

21.11.2017

Congrat to Ho Research Group for the collaborative research work "Room-temperature Red-Green-Blue Whispering-Gallery Mode Lasing and White-Light Emission from Cesium Lead Halide Perovskites (CsPbX3, X = Cl, Br, I) Microstructures" being accepted in Advanced Optical Materials!

 

26.10.2017

Congrat to Lifan Shen for her work "Enhanced Negative Photoconductivity in InAs Nanowire Phototransistors Surface-Modified with Molecular Monolayers" being accepted in Advanced Materials Interfaces!

 

18.10.2017

Congrat to Changyong Lan for his work "Large-Scale Synthesis of Freestanding Layer-Structured PbI2 and MAPbI3 Nanosheets for High-Performance Photodetection" being featured as the "Frontispiece Cover Article" of Advanced Materials!

 

13.10.2017

Congrat to Fengyun Wang for her work "ZnO Nanofiber Thin-Film Transistors with Low-Operating Voltages" being accepted in Advanced Electronic Materials!

 

05.10.2017

Congrat to Ho Research Group for the collaborative research work "Visible to Near-Infrared Photodetectors Based on MoS2 Vertical Schottky Junctions" being accepted in Nanotechnology!

 

28.09.2017

The PI, Dr. Johnny Ho, is nominated and elected to join as a Founding Member (only 32) in The Young Academy of Sciences of Hong Kong, under The Academy of Sciences of Hong Kong.

 

15.09.2017

Group dinner gathering at The Tongshunju Restaurant (Shenzhen) 深圳同順居北京菜館 to celebrate the start of Fall semester 2017.

Bottom row (L-R): Ruoting Dong (PhD Student), Lifan Shen (Co-Advised PhD Student), Johnny Ho (Principal Investigator), Heng Zhang (PhD Student), Xiaoguang Liang (Post-doctoral Researcher)

Top row (L-R): Fangzhou Li (PhD Student), Xiuming Bu and his wife (PhD Student), Wei Guo (Co-Advised PhD Student), Dapan Li (PhD Student), Changyong Lan (Post-doctoral Researcher), Renjie Wei (PhD Student), Ziyao Zhou (PhD Student), Lei Shu (Research Assistant), Ming Fang (Post-doctoral Researcher)

* It was a pity that SenPo Yip (PhD Student) was absent.

 

01.09.2017

Heng Zhang joins the Ho Research Group.

 

22.08.2017

Congrats to Ruoting Dong for her award of Research Tuition Scholarship and Outstanding Academic Performance Award!

 

09.08.2017

Congrat to Renjie Wei for his work "Co3O4 Nanosheets with In-Panel Pores and Highly Active {112} Exposed Facets for High Performance Lithium Storage" being accepted in Journal of Physical Chemistry C!

 

01.08.2017

Fangzhou Li and Xiuming Bu join the Ho Research Goup.

 

27.06.2017

Congrat to Changyong Lan for his work "Large-Scale Synthesis of Freestanding Layer-Structured PbI2 and MAPbI3 Nanosheets for High-Performance Photodetection" being accepted in Advanced Materials!

 

23.06.2017

Congrats to Fengyun Wang for her work "Manipulating III–V Nanowire Transistor Performance via Surface Decoration of Metal-Oxide Nanoparticles" being featured as the "Back Cover" of Advanced Materials Interfaces!

 

19.06.2017

Congrat to Ho Research Group for the collaborative research work "High-performance enhancement-mode thin-film transistors based on Mg-doped In2O3 nanofiber networks" being accepted in Nano Research!

 

19.06.2017

Congrat to Renjie Wei for his work "Is Platinum a Suitable Counter Electrode Material for Hydrogen Evolution Reaction?" being accepted in Science Bulletin!

 

02.06.2017

Congrat to Wei Gao for his work "Modulating Electronic Structure of CoP Electrocatalysts towards Enhanced Hydrogen Evolution by Ce Chemical Doping in both Acidic and Basic Media" being accepted in Nano Energy!

 

20.05.2017

Congrat to Lester Vinzons for his work "Unraveling the Morphological Evolution and Etching Kinetics of Porous Silicon Nanowires during Metal-Assisted Chemical Etching" being accepted in Nanoscale Research Letters!

 

02.05.2017

Congrat to Ming Fang and Guofa Dong for their work "Hierarchical Nanostructures: Design for Sustainable Water Splitting" being accepted in Advanced Energy Materials!

 

26.04.2017

Congrat to Guofa Dong and Ming Fang for their work "In-Situ Formation of Highly Active Ni-Fe based Oxygen-Evolving Electrocatalysts via Simple Reactive Dip-Coating" being accepted in Journal of Materials Chemistry A!

 

19.04.2017

Congrat to Ruoting Dong and Renjie Wei for their poster presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2017 in Pheonix, Arizona, U.S.A.!

Ruoting Dong introduces the background of PbI2 nanostructures for photodetection during her poster presentation (left). Renjie Wei discusses the uniqueness of Co3O4 nanosheets for high-performance lithium storage (right).

 

11.04.2017

Congrats to Ning Han for his work "Controllable III-V Nanowire Growth via Catalyst Epitaxy" being featured as the "Front Cover" as well as the "Hot Paper" for the 2017 theme collection of Journal of Materials Chemistry C!

 

05.04.2017

Congrat to Fengyun Wang for her work "Manipulating III-V Nanowire Transistor Performance via Surface Decoration of Metal-Oxide Nanoparticles" being accepted in Advanced Materials Interfaces!

 

30.03.2017

Congrat to Zaixing Yang for his work "Complementary Metal Oxide Semiconductor-Compatible, High-Mobility, <111>-Oriented GaSb Nanowires Enabled by Vapor-Solid-Solid Chemical Vapor Deposition" being accepted in ACS Nano!

 

27.03.2017

Congrat to Ning Han for his work "Controllable III-V Nanowire Growth via Catalyst Epitaxy" being accepted in Journal of Materials Chemistry C!

 

10.03.2017

Group dinner gathering at The Great Shanghai Restaurant (Shenzhen) 深圳上海宾馆大上海酒樓 to celebrate the Year of Rooster 2017.

L-R: Xiaoguang Liang (PhD Student), Ziyao Zhou (PhD Student), Heng Zhang (Research Assistant), Ming Fang (Post-doctoral Researcher), Lei Shu (Research Assistant), Dr. Johnny Ho (Principal Investigator), SenPo Yip (PhD Student), Lifan Shen (Co-Advised PhD Student), Simon Cheung (Co-Advised Post-doctoral Researcher), Ruoting Dong (PhD Student), Dapan Li (Phd Student), Changyong Lan (Post-doctoral Researcher), Renjie Wei (PhD Student).

* It was a pity that Lester Vinzons (Co-Advised PhD Student), Wei Gao (Co-Advised PhD Student) and Guofa Dong (Co-Advised Post-doctoral Researcher) were absent.

 

01.02.2017

Congrat to Xiaoguang Liang for his work "Enhanced Self-Assembly of Crystalline, Large-Area and Periodicity-Tunable TiO2 Nanotube Arrays on Various Substrates" being accepted in ACS Applied Materials & Interfaces!

 

 

Year 2016:

 

06.12.2016

Congrat to Lifan Shen for her work "Recent developments in III–V semiconducting nanowires for high-performance photodetectors" being accepted in Materials Chemistry Frontiers!

 

19.09.2016

Congrat to SenPo Yip for his poster presentations at the European Materials Research Scoiety (EMRS) Meeting, Fall 2016 in Warsaw, Poland!

SenPo Yip introduces the background of how to modulate the nanowire transistor performance via molecular monolayers (the left poster) and further findings in GaSb nanowires for future nanoelectronics (the right poster).

 

13.09.2016

Group dinner gathering at Lucky Dragon 彩龍大酒樓 (Shek Kip Mei) to celebrate the Mid-Autumn Festival 2016.

1st row (L-R): Ziyao Zhou (PhD Student), Changyong Lan (Post-doctoral Researcher), Dr. Johnny Ho (Principal Investigator), SePo Yip (PhD Student), Dapan Li (Phd Student)

2nd row (L-R): Lei Shu (Research Assistant), Ming Fang (Post-doctoral Researcher), Renji Wei (PhD Student), Lifan Shen (Co-Advised PhD Student), Xiaoguang Liang (PhD Student), Guofa Dong (Co-Advised Post-doctoral Researcher), Zaixing Yang (Post-doctoral Researcher), Simon Cheung (Co-Advised PhD Student), Heng Zhang (Research Assistant), Ruoting Dong (PhD Student), Lester Vinzons (Co-Advised PhD Student).

* It was a pity that Wei Guo (Co-Advised PhD Student) was absent.

 

02.09.2016

Congrat to Xiaoguang Liang for his work "Inverted Silicon Nanopencil Array Solar Cells with Enhanced Contact Structures" being accepted in Scientific Reports!

 

25.08.2016

Congrats to Ruoting Dong for her award of Chow Yei Ching School of Graduate Studies Entrance Scholarship!

 

24.08.2016

Congrats to Sen Po Yip for his award of Research Tuition Scholarship and Outstanding Academic Performance Award!

 

12.08.2016

Congrat to Ho Research Group for the collaborative research work "High-performance ferroelectric polymer side-gated CdS nanowire ultraviolet photodetectors" being accepted in Advanced Functional Materials!

 

05.08.2016

Congrat to Fengyun Wang for her work "Diameter Dependence of Planar Defects in InP Nanowires" being accepted in Scientific Reports!

 

03.08.2016

Ruoting Dong joins the Ho Research Goup.

 

15.07.2016

Congrat to Ho Research Group for the collaborative research work "On-Nanowire Axial Heterojunction Design for High-Performance Photodetectors" being accepted in ACS Nano!

 

05.07.2016

Congrat to Ming Fang and Wei Gao for their work "Hierarchical NiMo-Based 3D Electrocatalysts for Highly-Efficient Hydrogen Evolution in Alkaline Conditions" being accepted in Nano Energy!

 

04.07.2016

Renjie Wei and Heng Zhang join the Ho Research Group.

 

01.07.2016

The PI, Dr. Johnny Ho, is promoted to Associate Professor at City University of Hong Kong.

 

29.06.2016

Congrat to Ho Research Group for the collaborative reserach work "Performance Limits of the Self-Aligned Nanowire Top-Gated MoS2 Transistors" being accepted in Advanced Functional Materials!

 

26.05.2016

Congrat to Ning Han for his work "Crystal Orientation Controlled Photovoltaic Properties of Multi-Layer GaAs Nanowire Arrays" being accepted in ACS Nano!

 

23.05.2016

Congrat to Ho Research Group for the collaborative research work "High-Sensitivity Floating-gate Phototransistors Based on WS2 and MoS2" being accepted in Advanced Functional Materials!

 

08.04.2016

Group dinner gathering at Pin Xiang Lou 品香楼 (Shek Kip Mei) to celebrate the tenured promotion of Dr. Ho to Associate Professor (effective July 1st 2016).

L-R: Hao Lin (Co-Advised Research Associate), Ziyao Zhou (PhD Student), Wei Gao (Co-Advised PhD Student), Simon Cheung (Co-Advised PhD Student), SePo Yip (PhD Student), Xiaoguang Liang (PhD Student), Guofa Dong (Co-Advised Post-doctoral Researcher), Lifan Shen (Co-Advised PhD Student), Dr. Johnny Ho (Principal Investigator), Ming Fang (Post-doctoral Researcher), Lei Shu (Research Assistant), Zaixing Yang (Post-doctoral Researcher), Dapan Li (Phd Student), Erjun Wang (group alumnus).

* It was a pity that Lester Vinzons (Co-Advised PhD Student) was absent.

 

05.04.2016

Congrats to Ho Research Group for the collaborative research work "Growth and photovoltaic properties of high-quality GaAs nanowires prepared by the two-source CVD" being accepted in Nanoscale Research Letters!

 

31.03.2016

Congrats to Lifan Shen, Dapan Li and Wei Guo for their poster presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2016 in Phoenix, Arizona, USA!

Lifan Shen introduces the background of wrap-gated nanowire transistors during her oral poster presentation (top left). Dapan Li discusses the uniqueness of GaSb nanowires for practical applications (top right). Wei Guo brings up his research on CeO2 nanorods (bottom left). Dapan Li explains the advantages of GaAs nanowire arrays for flexible and transparent photovoltiac devices (bottom right).

 

24.03.2016

Congrats to Ho Research Group for the collaborative research work "Side-gated In2O3 Nanowire Ferroelectric FETs for High-Performance Non-volatile Memory Applications" being accepted in Advanced Science!

 

21.01.2016

Congrats to Ning Han for his work "Design and fabrication of 1-D semiconductor nanomaterials for high-performance photovoltaics" being accepted in Science Bulletin!

 

15.01.2016

Congrats to Dr. Ho for winning The President's Award 2016, recognizing his exemplary contributions to research and professional education at City University of Hong Kong!

 

11.01.2016

Group dinner gathering at Spring Deer 鹿鳴春飯店 (Tsim Sha Tsui) to celebrate New Year of 2016.

L-R: Ziyao Zhou (PhD Student), Ming Fang (Post-doctoral Researcher), Wei Gao (Co-Advised PhD Student), Lester Vinzons (Co-Advised PhD Student), Simon Cheung (Co-Advised PhD Student), Dapan Li (Phd Student), Dr. Johnny Ho (Principal Investigator), Lifan Shen (Co-Advised PhD Student), Guofa Dong (Co-Advised PhD Student), Sen Po Yip (PhD Student), Lei Shu (Research Assistant), Zaixing Yang (Post-doctoral Researcher).

* It was a pity that XiaoGuang Liang (PhD Student) was absent due to the conflicted class schedule.

 

 

Year 2015:

 

04.12.2015

Congrats to Ho Research Group for the collaborative research work "Dielectric Engineering of Boron Nitride/Hafnium Oxide Heterostructure for High-Performance Two-Dimensional Field Effect Transistors" being accepted in Advanced Materials!

 

09.10.2015

Congrats to Lifan Shen for her work "High-Performance Wrap-Gated InGaAs Nanowire Field-Effect Transistors with Sputtered Dielectrics", being accepted in Scientific Reports!

 

02.09.2015

Congrats to Ming Fang for his work "Area-Selective Atomic Layer Deposition: Conformal Coating, Sub-Nanometer Thickness-Control and Smart Positioning", being accepted in ACS Nano!

 

01.09.2015

Wei Gao joins the Ho Research Group.

 

24.08.2015

Congrats to Sen Po Yip and Simon Cheung for their award of Research Tuition Scholarship and Outstanding Academic Performance Award!

 

18.08.2015

Congrats to Ning Han for his work "High performance GaAs nanowire solar cells for flexible and transparent photovoltaics" being accepted in ACS Applied Materials & Interfaces!

 

18.08.2015

Congrats to Ho Research Group for the collaborative research work "Integration of High-k Oxide on MoS2 by Using Ozone Pre-treatment for high performance MoS2 top-gated transistor with thickness dependent carrier scattering Investigation" being accepted in Small!

 

17.08.2015

Congrats to Zaixing Yang for his work "Approaching the Hole Mobility Limit of GaSb Nanowires" being accepted in ACS Nano!

 

31.07.2015

Lester Vinzons joins the Ho Research Group.

 

06.07.2015

Ziyao Zhou joins the Ho Research Group.

 

18.06.2015

Congrats to HoYuen Cheung for his work "Modulating Electrical Properties of InAs Nanowires via Molecular Monolayers" being accepted in ACS Nano!

 

09.06.2015

Congrats to Guofa Dong and Ming Fang for their work "Insight into the Electrochemical Activation of Carbon-Based Cathodes for Hydrogen Evolution Reaction" being featured as the "Inside Back Cover" as well as the "Hot Paper" for the 2015 theme collection of Journal of Materials Chemistry A!

 

12.05.2015

Congrats to Ming Fang for his excellent oral and poster presentations at the European Materials Research Scoiety (EMRS) Meeting, Spring 2015 in Lille, France!

Ming Fang introduces the background of surfactant-assited CVD of small-diameter GaSb nanowires and nanoscale patterning during his oral and poster presentations

 

06.05.2015

Congrats to Guofa Dong and Ming Fang for their work "Insight into the Electrochemical Activation of Carbon-Based Cathodes for Hydrogen Evolution Reaction" being accepted in Journal of Materials Chemistry A!

 

01.05.2015

Congrat to Ho Research Group for the collaborative research work "Hydrogen gas sensor based on metal oxide nanoparticles decorated graphene transistor" being accepted in Nanoscale!

 

22.04.2015

Group dinner gathering at Tung Kong Hakka Chinese Restaurant (Tsun Wan) to celebrate Spring 2015.

L-R: Lifan Shen (Co-Advised PhD Student), XiaoGuang Liang (PhD Student), Dapan Li (PhD Student), Hao Lin (Research Assistant), Dr. ZaiXing Yang (Post-doctoral Researcher), Guofa Dong (Co-Advised PhD Student), Dr. Johnny Ho (Principal Investigator), Sen Po Yip (PhD Student), Simon Cheung (Co-Advised PhD Student), Ming Fang (PhD Student), Lei Shu (Research Assistant).

 

16.04.2015

Congrat to Ho Research Group for the collaborative research work "Thermoplasmonics-Assisted Nanoheterostructured Au-decorated CuInS2 Nanoparticles: Matching Solar Spectrum Absorption and its Application on Selective Distillation of Non-polar Solvent Systems by Thermal Solar Energy", being accepted in Nano Energy!

 

09.04.2015

Congrats to Senpo Yip, Guofa Dong and Simon Cheung for their excellent oral and poster presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2015 in San Francsisco, USA!

Senpo Yip introduces the background of nanoscale patterning during his oral and poster presentations (top). Guofa Dong and Simon Cheung discuss their poster works during the conference (bottom).

 

20.02.2015

Congrats to Ning Han and Zaixing Yang for their work "Modulating the morphology and electrical properties of GaAs nanowires via the catalyst stabilization by oxygen" being accepted in ACS Applied Materials & Interfaces!

 

19.02.2015

Congrats to Ho Research Group for the collaborative research work "High-Responsivity Graphene/InAs Nanowire Heterojunction Near-Infrared Photodetectors with Distinct Photocurrent On/Off Ratio" being selected as the "Inside Front Cover" of Small!

 

 

Year 2014:

 

23.12.2014

Congrats to Ho Research Group for the collaborative research work "Anomalous Highly-Efficient InAs Nanowire Phototransistors Based on Majority Carrier Transport at Room Temperature" being selected as the "Back Cover" of Advanced Materials!

 

06.11.2014

Congrats to Ming Fang for his work "Polymer-Confined Colloidal Monolayer: A Reusable Soft Photomask for Rapid Wafer-Scale Nanopatterning", being accepted in ACS Applied Materials & Interfaces!

 

25.09.2014

Congrats to Ho Research Group for the collaborative research work "Anomalous Highly-Efficient InAs Nanowire Phototransistors Based on Majority Carrier Transport at Room Temperature" being accepted in Advanced Materials!

 

25.09.2014

Congrats to Ho Research Group for the collaborative research work "High-Responsivity Graphene/InAs Nanowire Heterojunction Near-Infrared Photodetectors with Distinct Photocurrent On/Off Ratio" being accepted in Small!

 

17.09.2014

Congrats to Hao Lin and Ming Fand for their work "Hierarchical Silicon Nanostructured Arrays via Metal-Assisted Chemical Etching" being accepted in RSC Advances!

 

16.09.2014

Congrats to Ming Fang for his work "Optical Nanoscale Patterning through Surface-Textured Polymer Films" being featured as the "Frontispiece Cover" of Advanced Optical Materials!

 

11.09.2014

Congrats to Zaixing Yang and Ning Han for their work "Surfactant-assisted Chemical Vapor Deposition of High-performance Small-diameter GaSb Nanowires" being accepted in Nature Communications!

 

25.08.02014

Congrats to Ming Fang for his award of Outstanding Academic Performance Award!

 

25.08.02014

Congrats to Sen Po Yip. Ming Fang and Simon Cheung for their award of Research Tuition Scholarship!

 

05.08.2014

Group dinner gathering at Joy Cuisine (FoTan) to celebrate Summer 2014.

L-R: Sen Po Yip (PhD Student), XiaoGuang Liang (PhD Student), Guofa Dong (Co-Advised PhD Student), Simon Cheung (Co-Advised PhD Student), Dr. Ning Han (Post-doctoral Researcher), Dr. ZaiXing Yang (Post-doctoral Researcher), Dr. Johnny Ho (Principal Investigator), Hao Lin (Research Assistant), Fei Xiu (PhD Student), Dapan Li (PhD Student), Lifan Shen (Co-Advised PhD Student), Erjun Wang (Co-Advised Research Assistant), Ming Fang (PhD Student).

 

15.07.2014

Congrats to Ho Research Group for the collaborative research work "Floating Gate Memory based Monolayer MoS2 Transistor with Metal Nanocrystals embedded in Gate Dielectrics" being accepted in Small!

 

01.07.2014

Xiaoguang Liang and Dapan Li join the Ho Research Group.

 

01.07.2014

Congrats to Ho Research Group for the collaborative research work "Interface Engineering for High-Performance Top-Gated MoS2 Field Effect Transistors" being accepted in Advanced Materials!

 

29.06.2014

Congrats to Ning Han for his work "Low-temperature growth of highly crystalline β-Ga2O3 nanowires by solid-source chemical vapor deposition" being accepted in Nanoscale Research Letters!

 

09.05.2014

Dr. Ho joins the editorial board of NPG Scientific Reports.

 

09.05.2014

Congrats to Xiaoling Shi, Guofa Dong and Ming Fang for their work "Selective n-Type Doping in Graphene via the Aluminum Nanoparticle Decoration Approach" being accepted in Journal of Materials Chemistry C!

 

06.05.2014

Congrats to Ming Fang for his work "Optical Nanoscale Patterning through Surface-Textured Polymer Films" being accepted in Advanced Optical Materials!

 

23.04.2014

Congrats to Ming Fang for his excellent presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2014 in San Francsisco, USA!

 

20.04.2014

Congrats to Ho Research Group for the collaborative research work "Formation Mechanisms for the Dominant Kinks with Different Angles in InP Nanowires" being accepted in Nanoscale Research Letters!

 

03.04.2014

Congrats to Ho Research Group for the collaborative research work "Light Management with Nanostructures for Optoelectronic Devices" being accepted in Journal of Physical Chemistry Letters!

 

28.03.2014

Congrats to SenPo Yip for his award of Research Tuition Scholarship!

 

15.03.2014

Congrats to HoYuen Cheung for his work "Mechanistic Characteristics of Metal-Assisted Chemical Etching in GaAs" being accepted in Journal of Physical Chemistry C!

 

10.03.2014

Congrats to Ning Han for his work "Manipulating properties of nanowire transistors" being featured in SPIE Newsroom, March 10th 2014!

 

04.03.2014

Congrats to Ho Research Group for the collaborative research work "Single InAs Nanowire Room-Temperature Near-Infrared Photodetectors" being accepted in ACS Nano!

 

01.03.2014

Congrats to Hao Lin and Fei Xiu for their paper "Rational Design of Inverted Nanopencil Arrays for Cost-Effective, Broadband and Omnidirectional Light Harvesting" being accepted in ACS Nano!

 

27.02.2014

Congrats to Fei Xiu for her paper "Fabrication and Enhanced Light Trapping Properties of Three-dimensional Silicon Nanostructures for Photovoltaic Applications" being accepted in Pure and Applied Chemistry!

 

15.02.2014

Congrats to Ming Fang for his paper "III–V Nanowires: Synthesis, Property Manipulations and Devices Applications" being accepted in Journal of Nanomaterials!

 

20.01.2014

Congrats to Ho Research Group for the collaborative research work "Effect of negatively charged impurities on graphene magnetic rings" being accepted in Journal of the Physical Society of Japan!

 

 

Year 2013:

 

02.12.2013

Ho Research Group (Dr. Ho and 5 PhD students) visits Graduate School of Engineering at Shizuoka University, Hamamatsu, Japan, from Dec 2nd to Dec 8th, 2013.

Group photo taken towords the end of the symposium.

 

Photo taken at the main gate of Shizuoka University. L-R: Dr. Johnny Ho (Principal Investigator), Simon Cheung (Co-Advised PhD Student), Sen Po Yip (PhD student), Ming Fang (PhD Student), Fei Xiu (PhD Student), Guofa Dong (Co-Advised PhD Student)

 

Photo taken during the farewell party at Prof. Tatsuoka's house. L-R: Simon Cheung (Co-Advised PhD Student), Sen Po Yip (PhD student), Mrs. Tatsuoka (Prof. Tatsuoka's wife), Dr. Johnny Ho (Principal Investigator), Prof. Hirokazu Tatsuoka (our host), Ming Fang (PhD Student), Guofa Dong (Co-Advised PhD Student)

 

29.11.2013

Congrats to Ho Research Group for the collaborative research work "Effects of Nanoparticle Size and Cell Types on High Sensitivity Cell Detection using Localized Surface Plasmon Resonance Biosensor" being accepted in Biosensors and Bioelectronics!

 

29.11.2013

Group dinner gathering at Shatin Town Hall Maxim's Palace to celebrate Thanksgiving 2013.

L-R: Lifan Shen (Co-Advised PhD Student), Dr. ZaiXing Yang (Post-doctoral Researcher), Erjun Wang (Co-Advised Research Assistant), Ming Fang (PhD Student), Dr. Ning Han (Post-doctoral Researcher), Dr. Johnny Ho (Principal Investigator), Hao Lin (Research Assistant), KitWa Fok (Co-Advised Research Assistant), Simon Cheung (Co-Advised PhD Student), Fengyun Wang (Post-doctoral Researcher), Sen Po Yip (PhD Student), Fei Xiu (PhD Student), Jianan Hou (Post-doctoral Researcher), Guofa Dong (Co-Advised PhD Student)

 

13.11.2013

Congrats to Jianan Hou for his PhD degree awarded in the Congregation 2013!

L-R: Dr. Jianan Hou (Post-doctoral Researcher), Dr. Johnny Ho (Principal Investigator)

 

09.10.2013

Congrats to Zaixing Yang, Fengyun Wang and Ning Han for their paper "Crystalline GaSb nanowires synthesized on amorphous substrates: from the formation mechanism to p-channel transistor applications" being accepted in ACS Applied Materials & Interfaces!

 

23.09.2013

Congrats to Fengyun Wang for her work "Surface roughness induced electron mobility degradation in InAs nanowire" being featured in Nanotechweb, Sept 23rd 2013!

 

13.09.2013

Congrats to Zai-xing Yang and Ning Han for their work "Carbon doping of InSb nanowires for high-performance p-channel field-effect-transistors" being highlighted as a "HOT" article in Nanoscale, September 10th, 2013!

Highlight Nanoscale 2013

 

13.09.02013

Congrats to Xiu Fei for her award of Research Tuition Scholarship!

 

02.09.2013

Lifan Shen joins the Ho Research Group.

 

30.08.2012

Congrats to Ning Han for his paper "GaAs Nanowires: From Manipulation of Defect Formation to Controllable Electronic Transport Properties" being accepted in ACS Nano!

 

28.08.2012

Congrats to Xiu Fei for winning Outstanding Academic Performace Award!

 

06.08.2013

Congrats to Zai-xing Yang and Ning Han for their paper "Carbon doping of InSb nanowires for high-performance p-channel field-effect-transistors" being accepted in Nanoscale!

 

02.08.2013

Congrats to Jianan Hou for passing his PhD oral defense!

 

01.08.2013

Congrats to Fengyun Wang for her paper "Surface roughness induced electron mobility degradation in InAs nanowire" being accepted in Nanotechnology!

 

24.06.2013

Congrats to Ho Research Group for the collaborative research work "Rational Design of Sub-ppm Specific Gas Sensors Array based on Metal Nanoparticles Decorated Nanowire Enhancement-Mode Transistors" being accepted in Nano Letters!

 

24.06.2013

Congrats to Ho Research Group for the collaborative research work "Tailoring Electromagnetically-induced Transparency for Terahertz Metamaterials: From Diatomic to Triatomic Structural Molecules" being accepted in Applied Physics Letters!

 

20.06.2013

Congrats to Hao Lin, Ho-Yuen Cheung and Fei Xiu for their paper "Developing Controllable Anisotropic Wet Etching to Achieve Silicon Nanorods, Nanopencils and Nanocones for Efficient Photon Trapping" being accepted in Journal of Materials Chemistry A!

 

13.05.2013

Congrats to Ning Han, Fengyun Wang and Jianan Hou for their paper "Tunable Electronic Transport Properties of Metal-Cluster-Decorated III-V Nanowire Transistors" being accepted in Advanced Materials!

 

05.04.2013

Congrats to Jianan Hou for his excellent oral presentation "Stoichiometric Effect on Electrical, Optical, and Structural Properties of Composition-Tunable InxGa1-xAs Nanowires" at the Materials Research Scoiety (MRS) Meeting, Spring 2013 in San Francsisco, USA!

MRS 2013 Jared Talk 2

Jianan Hou introduces the background information of InGaAs nanowires during his presentation.

 

03.04.2013

Congrats to Jianan Hou for his excellent oral presentation "GaAs Nanowire Schottky Barrier Photovoltaics utilizing Au–Ga Alloy Catalytic Tips" at the Materials Research Scoiety (MRS) Meeting, Spring 2013 in San Francsisco, USA!

MRS 2013 Jared Talk 1

Jianan Hou discusses our growth technique in synthesizing GaAs NWs for solar cell applications.

 

02.04.2013

Congrats to Jianan Hou for their excellent poster presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2013 in San Francsisco, USA!

MRS 2013 Jared Poster

Jianan Hou present their posters to the auidence during the meeting.

 

27.03.2013

Dr. Ho is invited to contribute an article discussing nanotechnology for mimicking gecko feet, featured in Young Post, South China Morning Post.

YoungPost-20130327

 

26.02.2013

Congrats to Ho Research Group for the collaborative research work "Stability and low-frequency noise in InAs NW parallel array thin-film transistors" being accepted in IEEE Electron Device Letters!

 

21.02.2013

Congrats to Jianan Hou and Fengyun Wang for their paper "Diameter dependence of electron mobility in InGaAs nanowires" being accepted in Applied Physics Letters!

 

24.01.2013

Group dinner gathering at Pier 88 - Guangdong Hot Pot Dim Sum Restaurant to celebrate Chinese New Year 2013.

Group Photo 2013 Jan

L-R: Guofa Dong (Co-Advised PhD Student), Dr. Xiaoling Shi (Co-Advised Post-doctoral Researcher), Ming Fang (PhD Student), KitWa Fok (Research Assistant), Dr. ZaiXing Yang (Co-Advised Post-doctoral Researcher), Fei Xiu (PhD Student), Dr. Ning Han (Post-doctoral Researcher), Dr. Johnny Ho (Principal Investigator), Sen Po Yip (Research Assistant), Hao Lin (Co-Advised Research Assistant), Simon Cheung (Co-Advised PhD Student), Jianan Hou (PhD Student), Fengyun Wang (Post-doctoral Researcher)

 

10.01.2013

Congrats to Jianan Hou, Ning Han and Fengyun Wang for the acceptance of their individual oral and poster presentations at the Materials Research Society (MRS) Meeting, Spring 2013 in San Francisco, USA!

 

Year 2012:

 

20.12.2012

Congrats to Ho Research Group for the collaborative research work "Influence of catalyst choices on Transport Behaviors of InAs NWs for High-Performance Nanoscale Transistors" being accepted in Physical Chemistry Chemical Physics!

 

10.12.2012

Congrats to Ho Research Group for the collaborative research work "Controllable Electrical Properties of Metal (Mg, Al and Ga) Doped In2O3 Nanowires for High Performance Enhancement-mode Transistors" being accepted in ACS Nano!

 

20.11.2012

Congrats to Fengyun Wang and KitWa Fok for their PhD and BSc degrees awarded in the Congregation 2012!

Grad 2012Group Photo 2012 Nov

Left Photo=> L-R: Dr. Johnny Ho (Principal Investigator), Ms. KitWa Fok (Research Assistant), Dr. Fengyun Wang (Post-doctoral Researcher)

Right Photo=> L-R: Dr. Xiaoling Shi (Co-Advised Post-doctoral Researcher), Guofa Dong (Co-Advised PhD student), ZaiXing Yang (Co-Advised Post-doctoral Researcher), KitWa Fok (Research Assistant),Hao Lin (Co-Advised Research Assistant), Dr. Fengyun Wang (Post-doctoral Researcher), Ming Fang (PhD Student), Simon Cheung (Co-Advised PhD Student), Dr. Johnny Ho (Principal Investigator), SenPo Yip (Research Assistant), Dr. Ning Han (Post-doctoral Researcher), Fei Xiu, (PhD Student), Jared Hou (PhD Student)

 

16.11.2012

Congrats to Ning Han for his paper "Manipulated Growth of GaAs Nanowires: Controllable Crystal Quality and Growth Orientations via Supersaturation-Controlled Engineering Process" being accepted in Crystal Growth and Design!

 

01.11.2012

Guofa Dong joins the Ho Research Group.

 

10.10.2012

Dr. Ho is invited to contribute an article discussing nanotechnology for future clothing, featured in Young Post, South China Morning Post.

Young Post 2012 

 

07.10.2012

Congrats to Ning Han for his paper "Large-Scale and Uniform Preparation of Pure-Phase Wurtzite GaAs NWs on Non-Crystalline Substrates" being accepted in Nanoscale Research Letters!

 

06.10.2012

Selected by New York Academy of Sciences and Japan Society for Promotion of Science (JSPS), Dr. Ho is invited to attend the Ninth Annual Meeting of the Science and Technology in Society (STS) forum, held in Kyoto, Japan, October 6th-9th, 2012, representing Young Scientists from Asia Pacific as Future Leaders. Attendees include Makiko Tanaka (Minister of Education, Culture, Sports, Science and Technology, Japan), Professor Jean-Lou Chameau (President, California Institute of Technology (Caltech)), Professor Yuichiro Anzai (President, JSPS) and other leaders from academic, political and business sectors.   

 

The STS forum was founded in 2003 with the objective of creating a global network and providing a framework for open discussions that promote progress in science and technology. The forum brings together key players from the scientific, political, and business sectors to discuss the promises and risks of science and technology within a globalized world. The STS forum and the New York Academy of Sciences invites 10 excellent young scientists from across the world each year to propose how their innovative research will contribute to the discussions.

STS 2012

Lunch meeting between Dr. Yuichiro Anzai (President, JSPS) and all Future Leaders 2012.

L-R: Dr. Paola Ayala (Europe), Dr. Mieko Kumasaki (Japan), Dr. Elisa Oricchio (North America), Dr. Christophe Detavernier (Europe), Dr. Yuichiro Anzai (President, JSPS), Dr. Luis Castro (Latin America), Dr. Etinosa Igbinosa (Africa), Dr. Rogerio Panizzutti (Developing World), Dr. Johnny Ho (Asia Pacific), Dr. Naota Hanasaki (Japan) 

 

28.09.2012

Congrats to Jianan Hou for his paper "Stoichiometric Effect on Electrical, Optical and Structural Properties of Composition Tunable InxGa1-xAs Nanowires" being accepted in ACS Nano!

 

27.09.2012

Dr. ZaiXing Yang joins the Ho Research Group.

 

03.09.2012

KitWa Fok joins the Ho Research Group.

 

01.09.2012

HoYuen (Simon) Cheung joins the Ho Research Group.

 

30.08.2012

Congrats to Fengyun Wang for passing her PhD oral defense!

 

22.08.02012

Congrats to Jianan Hou and Xiu Fei for their award of Research Tuition Scholarship!

 

20.08.2012

Congrats to Jianan Hou and Xiu Fei for winning Outstanding Academic Performace Award!

 

16.08.2012

Dr. Ho is interviewed and featured in Next Magazine discussing "Mysteries in Nanotechnology".

Next Magazine 2012

 

09.07.2012

Ming Fang joins the Ho Research Group.

 

05.07.2012

Hao Lin joins the Ho Research Group.

 

25.05.2012

Congrats to Ning Han for his paper "GaAs Nanowire Schottky Barrier Photovoltaics utilizing Au–Ga Alloy Catalytic Tips" being accepted in Applied Physics Letters!

 

20.04.2012

Congrats to Ning Han and Fengyun Wang for their paper "Controllable p-n Switching Bahaviors of GaAs Nanowires via an Interface Effect" being accepted in ACS Nano!

 

20.04.2012

Congrats to KitWa Fok (undergraduate student) for her superior-prize, "Synthesis, characterization and device applications of high mobility indium arsendie nanowires", awarded in the 22nd Fengru Cup of Beihang University!

Award 2012 KitWa Fok 

 

12.04.2012

Congrats to Jianan Hou for his excellent oral presentation "Synthesis and Characterizations of Ternary InGaAs Nanowires by a Two-Step Growth Method for High-Performance Electronic Devices " at the Materials Research Scoiety (MRS) Meeting, Spring 2012 in San Francsisco, USA!

Jared MRS 2012 dJared MRS 2012 b

Jianan Hou explains the crystal quality and stoichiometry of InGaAs nanowires during his presentation.

 

10.04.2012

Congrats to Fengyun Wang and Jianan Hou for their excellent poster presentations at the Materials Research Scoiety (MRS) Meeting, Spring 2012 in San Francsisco, USA!

Fengyun MRS 2012Jared MRS 2012 c

Fengyun Wang and Jianan Hou present their posters to the auidence during the meeting.

 

05.04.2012

Congrats to Jianan Hou for his work "Synthesis and Characterizations of Ternary InGaAs Nanowires by a Two-Step Growth Method for High-Performance Electronic Devices" featured in Nanomanufacturing Weekly, April 5th, 2012!

Nanomanufacturing Weekly April 5 2012 p1 Nanomanufacturing Weekly April 5 2012 p2Nanomanufacturing Weekly April 5 2012 p3

 

25.03.2012

Congrats to Jianan Hou for his paper "Synthesis and Characterizations of Ternary InGaAs Nanowires by a Two-Step Growth Method for High-Performance Electronic Devices" being accepted in ACS Nano!

 

15.03.2012

Congrats to Alvin Hui and Fengyun Wang for their paper "High-Performance Indium Phosphide Nanowires Synthesized on Amorphous Substrates: From formation mechanism to optical and electrical transport measurements" being accepted in Journal of Materials Chemistry!

 

12.03.2012

Congrats to Ning Han for his paper "Highly formaldehyde-sensitive, transition-metal doped ZnO nanorods prepared by plasma-enhanced chemical vapor deposition" being accepted in Sensors and Actuators B: Chemical!

 

15.01.2012

Congrats to Jianan Hou, Ning Han and Fengyun Wang for the acceptance of their individual oral and poster presentations at the Materials Research Society (MRS) Meeting, Spring 2012 in San Francisco, USA!

 

Year 2011:

 

18.12.2011

Group dinner gathering at Neway Karaoke Box to celebrate Christmas 2011.

Group Photo_Dec 2011

L-R: Dr. Xiaoling Shi (Co-Advised Post-doctoral Researcher), Fei Xiu (PhD Student), Fengyun Wang (Co-Advised PhD Student), Alvin Hui (Research Assistant), Dr. Johnny Ho (Principal Investigator), Sen Po Yip (Research Assistant), Jianan Hou (PhD Student), Dr. Ning Han (Post-doctoral Researcher)

 

02.11.2011

ASU-CityU 2011

Representatives from ASU and CityU met on Nov. 2 to formalize a collaboration on flexible electronics. From left to right: Dr. David Allee (Professor & Director, Flexible Display Center, ASU), Dr. Gregory Raupp (Vice President - Research & Technology, CityU), Dr. Sethuraman "Panch" Panchanathan (Deputy Vice President & University Chief Research Officer, ASU), and Dr. Johnny Ho (Assistant Professor, Physics and Materials Science, CityU).

 

11.10.2011

"Nanotechnology Boosts Solar Cell Efficiency", CityU Today, October 2011.

CityU Today 2011_Ho

 

25.09.2011

Congrats to Ning Han for his paper "One-dimensional nanostructured materials for solar energy harvesting" being accepted in Nanomaterials and Energy!

 

23.09.2011

Congrats to Fengyun Wang for her award of Research Tuition Scholarship!

 

23.09.2011

Congrats to Jianan Hou for his award of Research Tuition Scholarship!

 

19.09.2011

Dr. Xiaoling Shi joins the Ho Research Group.

 

12.09.2011

Congrats to Ning Han for his work "Crystal phase and growth orientation dependence of GaAs nanowires on NixGay seeds via Vapor-Solid-Solid mechanism" selected for the publication in Virtual Journal of Nanoscale Science & Technology!

 

09.09.2011

Congrats to Jianan Hou for his excellent oral presentation "Synthesis, growth mechanism and device characterization of Ni-catalyzed GaAs nanowires" at the International Conference on Nanoscience & Technology, China 2011 (ChinaNANO 2011) in Beijing, China!

Jared China Nano 2011

Jianan Hou explains the growth mechanism of nanowires during his presentation.

 

05.09.2011

Selected by Croucher Foundation, Dr. Ho is invited to attend UK-Hong Kong Frontiers of Science series held in Kalvi Royal Society International Centre at Chicheley Hall in Buckinghamshire, UK, September 5th-8th, 2011, representing Young Scientists from Hong Kong.

 

Frontiers of Science is an internation programme for outstanding early career scientists which was initiated by the US National Academy of Sciences in 1989 and has been adopted by the Royal Society in the UK and other national science academics and organizations such as the Alexander Von Humbolt Foundataion and the Chinese Academy of Sciences. 

UK-HK Frontiers of Science

Group photo taken in Kalvi Royal Society International Centre at Chicheley Hall.

 

15.08.2011

Sen Po Yip joins the Ho Research Group.

 

10.08.2011

Group dinner gathering at Hon Wo Korean Restaurant to celebrate Summer 2011.

group photo 201 July 

L-R: Dr. Ning Han (Post-doctoral Researcher), Jianan Hou (PhD Student), Alvin Hui (Research Assistant), Dr. Johnny Ho (Principal Investigator), Fengyun Wang (Co-Advised PhD Student), Fei Xiu (PhD Student)

 

09.08.2011

Congrats to Ning Han for his paper "Crystal phase and growth orientation dependence of GaAs nanowires on NixGay seeds via Vapor-Solid-Solid mechanism" being accepted in Applied Physics Letters!

 

30.07.2011

"Design of Nanostructured Materials for Photovoltaics", Graduate Studies & Research Newsletter, CityU HK, July 2011.

Newsletter 2011_Ho

 

26.07.2011

Congrats to Fei Xiu for her excellent oral presentation "Monolayer doping for cost-effective photovoltaics" at the Nineteenth Annual International Conference on COMPOSITES/NANO ENGINEERING (ICCE - 19) in Shanghai, China!

Fei Xiu ICCE19

Fei Xiu concentrates on her slides during the presentation.

 

24.07.2011

Congrats to Ho Research Group for the collaborative research work "Kinetic growth of self-formed In2O3 nanodots via phase segregation: Ni/InAs system" being accepted in ACS Nano!

 

19.05.2011

Congrats to Fengyun Wang for her paper "Highly active and enhanced photocatalytic silicon nanowire arrays" being accepted in Nanoscale!

 

18.05.2011

Congrats to Ning Han for his paper "Facile synthesis and growth mechanism of Ni-catalyzed GaAs nanowires on non-crystalline substrates" being accepted in Nanotechnology!

 

01.05.2011

The review paper "Self-assembly of one-dimensional nanomaterials for cost-effective photovoltaics" is now published in International Journal of Nanoparticles.

 

16.02.2011

Group dinner gathering at Shin Hing Chinese Restaurant to celebrate Chinese New Year of the Rabbit.

group photo 20110216 

L-R: Guangcun Shan (PhD Student), Jianan Hou (PhD Student), Dr. Ning Han (Post-doctoral Researcher), Alvin Hui (Research Assistant), Dr. Johnny Ho (Principal Investigator), Fei Xiu (Research Assistant), Fengyun Wang (Co-Advised PhD Student)

 

Year 2010:

 

09.11.2010

Congrats to Alvin Hui for successfully completing his MSc degree in Materials Engineering and Nanotechnology!

Group photo Alvin MSc

L-R: Fei Xiu (Research Assistant), Jianan Hou (PhD Student), Alvin Hui (Master Student), Dr. Ning Han (Post-doctoral Researcher), Dr. Johnny Ho (Principal Investigator), Fengyun Wang (Co-Advised PhD Student)

 

11.09.2010

Group lunch gathering at Shin Hing Chinese Restaurant.

Group Photo at Sept 11, 2010

L-R: Guangcun Shan (PhD Student), Alvin Hui (Master Student), Jianan Hou (PhD Student), Dr. Ning Han (Post-doctoral Researcher),Guangcun Shan (PhD Student), Alvin Hui (Master Student), Jianan Hou (PhD Student), Dr. Johnny Ho (Principal Investigator), Fengyun Wang (Co-Advised PhD Student), Fei Xiu (Research Assistant)

 

10.09.2010

Fei Xiu joins the Ho Research Group.

 

30.08.2010

Guangcun Shan joins the Ho Research Group.

Jianan Hou joins the Ho Research Group.

 

26.07.2010

Dr. Ning Han joins the Ho Research Group.

 

19.07.2010

Alvin Hui joins the Ho Research Group.

 

11.03.2010

The homepage of Ho Research Group is online.

 

01.03.2010

Dr. Johnny Ho joins the faculty of City University of Hong Kong (CityU HK), Department of Physics and Materials Science.