蔡植豪 - 香港大学 - 电气与电子工程系

个人简介

Wallace C. H. Choy received his PhD Degree in Electronic Engineering from the University of Surrey, UK in 1999. He then joined National Research Council of Canada as a member of research staff to work on optical device structures of polarization independent optical amplifiers and modulators. He joined Fujitsu at San Jose, US in 2001 to develop real-time wavelength tunable lasers and optical transmitter modules. He is currently a professor of Department of Electrical and Electronic Engineering, the University of Hong Kong (HKU). Dr. Choy has published over 175 internationally peer-reviewed journal papers, contributed to one book and five book chapters, as well as a number of US and China patents. Among his publications, 12 papers have been featured as cover-story articles such as Adv. Mater., Adv Energy Mater., and Chem Comm., and 14 articles have been highlighted in research new/scholarly articles. Details of publication can be found in Google Scholar. He was the recipient of the Sir Edward Youde Memorial Fellowship, the Croucher Foundation Fellowship, and the Outstanding Achievement Award from National Research Council of Canada and HKU Research Output Prize. He received overseas visiting fellowships from HKU to take a sabbatical leave at George Malliaras’s Group, Cornell University in 2008, a visit to Prof. Yang Yang, UCLA in summers of 2009 and 2011, Prof. Karl Leo, Institut fuer Angewandte Photophysik (IAPP), Technische Universitaet Dresden, Germany in the summer of 2010, and Prof./Sir Richard Friend, Cavendish Lab, Cambridge University, UK. Wallace Choy is a fellow of OSA and senior member of IEEE. He has been recognized as Top 1% of most-cited scientists in Thomson Reuter’s Essential Science Indicators (ESI) three years in a row 2014, 2015 and 2016. He has been recognized as prolific researcher on organic solar cells in the index (WFC in physical sciences) in Nature Index 2014 Hong Kong published by Nature. He has been serving a technical consultant of HK-Ulvac (a member of stock-listed Ulvac Corp) since 2005. He has served as editorial board member for Nature Publishing Group of Scientific Reports and IOP Journal of Physics D, senior editor of IEEE Photonics Journal, topical editor of OSA Journal of the Optical Society of America B (JOSA founded in 1917), and guest editor of OSA Journal of Photonic Research, and Journal of Optical Quantum Electronics. He has delivered over 60 invited talks and served as a committee member in internationally industrial and academic conferences organized by various organizations such as IEEE, OSA and Plastic Electronics Foundation.

研究领域

the design, physics, and mechanism of organic/inorganic optoelectronic devices; plasmonic nanostructures, nanoscale structures and the hybrid systems with organic/inorganic materials; the multi-physical (optical, electrical and thermal) properties and applications of the hybrid systems.

近期论文

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H.L. Zhu, W.C.H. Choy*, "Crystallization, Properties, and Challenges of Low‐Bandgap Sn–Pb Binary Perovskites", Solar RRL, DOI: 10.1002/solr.201800146 Z.S. Wang, X. Ren, X. Xu, Q. Peng2*, W.E.I. Sha1, W.C.H. Choy1*, "A Comprehensively Theoretical and Experimental Study of Carrier Generation and Transport for Achieving High Performance Ternary Blend Organic Solar Cells", Nano Energy, DOI: 10.1016/j.nanoen.2018.06.069. H. Zhang, X. Ren, X. Chen, J. Mao, J. Cheng, Y. Zhao, Y. Liu, J. Milic, W.J. Yin, M. Grätzel, W.C.H. Choy*, "Improving the stability and performance of perovskite solar cells via off-the-shelf post-device ligand treatment", Energy & Environmental Science, DOI:10.1039/C8EE00580J. Z. Huang, J. Cheng, X. Ren, J. Zhuang, V.A. L. Roy‡, J.M. Burkhartsmeyer, K.S. Wong, W.C.H. Choy*, “All-Room-Temperature Solution-Processed New Nanocomposites Based Hole Transport Layer from Synthesis to Film Formation for High-Performance Organic Solar Cells Towards Ultimate Energy-Efficient Fabrication”, Nano Energy, DOI:10.1016/j.nanoen.2018.02.019. D. Ouyang, J. Xiao, F. Ye, Z. Huang, H. Zhang, L. Zhu, J. Cheng, W. C. H. Choy*, "Strategic Synthesis of Ultra-small NiCo2O4 NPs as Hole Transport Layer for Highly Efficient Perovskite Solar Cells", Adv. Energy Mater., DOI: 10.1002/aenm.201702722. J. Cheng, H. Zhang, Y. Zhao, J. Mao, C. Li, S. Zhang, K.S. Wong, J. Hou, W.C. H. Choy*, "Self-assembled Quasi-3D Nanocomposite: A Novel p-Type Hole Transport Layer for High Performance Inverted Organic Solar Cells", Adv. Funct. Mater., DOI: 10.1002/adfm.201706403. H. Lu, X. Ren, D. Ouyang, W.C.H. Choy*, "The Emerging Novel Metal Electrode for Photovoltaic Applications", Small, DOI:10.1002/smll.201703140. H.L. Zhu, Z. Liang, Z. Huo, W.K. Ng, J. Mao, K.S.Wong, W.J. Yin*, W.C.H. Choy*, "Low-Bandgap Methylammonium-Rubidium Cation Sn-Rich Perovskites for Efficient Ultraviolet-Visible-Near Infrared Photodetectors", Adv. Funct. Mater.,DOI:10.1002/adfm.201706068. W.E.I. Sha#, H. Zhang#, Z.S. Wang, H.L. Zhu, X. Ren, F. Lin, A.K.-Y. Jen, W.C.H. Choy*, “Quantifying Efficiency Loss of Perovskite Solar Cells by a Modified Detailed Balance Model”, Adv. Energy Mater., DOI:10.1002/aenm.201701586. (#equally contributed) S. Lu, H. Lin, S. Zhang, J. Hou, W.C.H. Choy, "A Switchable Interconnecting Layer for High Performance Tandem Organic Solar Cell", Adv Energy Mater., DOI: 10.1002/aenm.201701164. X. Ren, Z. Wang, W.E.I. Sha*, W.C.H. Choy*, "Exploring the Way to Approach the Efficiency Limit of Perovskite Solar Cells by Drift-Diffusion Model", ACS Photonics, DOI: 10.1021/acsphotonics.6b01043. J. Cheng, X. Ren, H.L. Zhu, J. Mao, C. Liang, J. Zhuang, V.A. L. Roy, W.C. H. Choy, “Pre- and post-treatments free nanocomposite based hole transport layer for high performance organic solar cells with considerably enhanced reproducibility”, Nano Energy, DOI:10.1016/j.nanoen.2017.02.021 H. Zhang, J. Cheng, D. Li, F. Lin, J. Mao, C. Liang, A. K.-Y. Jen, M. Grätzel, W.C.H. Choy*, "Toward All Room-Temperature, Solution-Processed, High-Performance Planar Perovskite Solar Cells: A New Scheme of Pyridine-Promoted Perovskite Formation", Adv. Mater., DOI:10.1002/adma.201604695. H. Zhang, D. Li, J. Cheng, F. Lin, J. Mao, A. K.-Y. Jen, M. Grätzel, W.C.H. Choy*, "Room Temperature Formation of Organic-Inorganic Lead Halide Perovskites: Design of Nanostructured and Highly Reactive Intermediates", J. Mater. Chem. A, DOI:10.1039/C6TA09845B. J.Mao, W.E.I. Sha, H. Zhang, X. Ren, J. Zhuang, V.A.L. Roy, K.S. Wong, W.C.H. Choy*, "Novel Direct Nano-patterning Approach to Fabricate Periodically Nanostructured Perovskite for Optoelectronic Applications", Adv. Funct. Mater., DOI: 10.1002/adfm.201606525.