范智勇 - 香港科技大学 - 化学与生物工程学系

个人简介

Prof. Zhiyong Fan received his B.S. and M.S. degree in physical electronics from Fudan University, China. He received Ph.D. degree from University of California, Irvine in 2006 in Materials Science. From 2007 to 2010, he worked in University of California, Berkeley as a postdoctoral fellow in department of Electrical Engineering and Computer Sciences, with a joint appointment with Lawrence Berkeley National Laboratory. In May 2010, he joined the faculty of Hong Kong University of Science and Technology and currently he is a professor at Department of Electronic and Computer Engineering. Prof. Fan’s research interests are on design and fabrication of novel nanostructures and nanomaterials for high performance optoelectronics, energy harvesting devices and sensors. He has won a number of awards including IEEE Sensor Research Scholarship Award, UC Berkeley BSAC Outstanding Research Presentation Award, HKUST SENG Young Investigator Award, Research Excellence Award, HKUST President’s Award and Innovation Award, 2018 ESI Highly Cited Researcher etc. He currently serves as an editorial board member of NPG Scientific Reports and Springer Nanoscale Research Letters, and Journal of Semiconductors.

研究领域

Nanostructured Enhanced Photovoltaics Solar energy is one of the major forms of renewable energy. The demand for high performance and low cost solar cells has continuously driven the research on photovoltaics for decades. Here we are employing self-assembled 3-D nanostructures to improve the performance of the solar cells. The 3-D architecture can improve light absorption, resembling the naturally formed forest to harvest light. Meanwhile, the increased junction area facilitates carrier collection, which is particularly beneficial for PV devices made of materials with low surface recombination velocity. Nanophotonics Nanophotonics is the study of the behavior of light on the nanometer scale. It is crucial to understand light-matter interaction at nanoscale for rational design of efficient photonic and optolectronic devices with nanostructures and nanomaterials. In our work, we have fabricated a variety of 3-D nanophotonic structures, including nanopillar (NPL) arrays, Nanospike (NSP) arrays, Nanowell (NWL) arrays, etc., with lithography-free approaches. We have been able to engineer shape, geometry and ordering of the materials to tune their optical properties. These materials are potential candidates for novel optolectronic devices, including solar cells, lasers, photodetectors, etc. Large-scale Integrated Nanowire Electronics Semiconductor nanowires have been extensively explored as the potential building blocks for a variety of electronic and optoelectronic applications due to the continuous increased demand for miniaturized devices and circuits. However, controlled and uniform assembly of “bottom-up” nanowire (NW) materials with high scalability is one of the major bottleneck challenges towards the integration of nanowires for circuit applications. We have achieved wafer-scale assembly of highly ordered arrays of NWs through a simple contact printing method. With this generic approach, a wide range of semiconductor NWs have been successfully assembled at large-scale and configured as a variety of functional electronic and optoelectronic devices, including transistors, diodes and sensors on rigid and flexible substrates. Furthermore, these functional components are integrated together and an all-nanowire image sensing circuit is realized. High Performance Sensing with Semiconductor Nanowires NWs are ideal candidates for chemical and biological sensing due to 1) chemically active surfaces and large surface-to-volume ratio; 2) the radius being comparable to the Debye screening length thus resulting in the dominant role of surface electrostatics on the carrier conduction through the entire material. To date, researchers have developed a wide range of chemical and biological sensors based on single and arrayed NWs; in some cases with higher detection sensitivity than their thin film counterparts. We have investigated chemical/gas sensing targeting O2, NO2, CO, NH3, using materials including ZnO and Si nanowires.

近期论文

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Yu Fu, Qianpeng Zhang, Daquan Zhang, Yunqi Tang, Lei Shu, and Zhiyong Fan, "Scalable All-evaporation Fabrication of Efficient Light-Emitting Diodes with Hybrid 2D-3D Perovskite Nanostructures", Advanced Functional Materials, 2020, in press. DOI:10.1002/adfm.202002913 Xin Li, Kwong-Hoi Tsui, James Kit Hon Tsoi, David Green, Xiaozhuang Jin, Yongqiang Deng, Yaomin Zhu, Xuguang Li, Zhiyong Fan, Cheung Gary Shun Pan, "Nano-structured anti-biofilm surface widens efficacy against spindle-shaped and chain forming rod-like bacteria", Nanoscale, 2020, accepted. DOI: 10.1039/D0NR03809A. Leilei Gu, Swapnadeep Poddar, Yuanjing Lin, Zhenghao Long, Daquan Zhang, Qianpeng Zhang, Lei Shu, Xiao Qiu, Matthew Kam, Ali Javey, Zhiyong Fan， "A biomimetic eye with a hemispherical perovskite nanowire array retina", Nature, Volume 581, 278–282 (2020). DOI: 10.1038/s41586-020-2285-x. Qianpeng Zhang, Daquan Zhang, Yu Fu, Swapnadeep Poddar, Lei Shu, Xiaoliang Mo, Zhiyong Fan, "Light Out-Coupling Management in Perovskite LEDs- What Can We Learn from the Past?", Advanced Functional Materials, DOI:10.1002/adfm.202002570. Yiyi Zhu, Swapnadeep Poddar, Lei Shu, Yu Fu, Zhiyong Fan, "Recent Progress on Interface Engineering for High-performance, Stable Perovskites Solar Cells", Advanced Materials Interfaces, DOI: 2000118. 10.1002/admi.202000118. Xiao-Xiong Wang, Ning Wang, Huijing Qiu, Weizhi Song, Qi Liu, Zhiyong Fan, Miao Yu, Seeram Ramakrishna, Yun-Ze Long, "Anisotropic nanogenerator for anticounterfeiting and information encrypted transmission", Nano Energy, Volume 71, 2020, 104572, ISSN 2211-2855, DOI：10.1016/j.nanoen.2020.104572. Qianpeng Zhang, Daquan Zhang, Leilei Gu, Kwong-Hoi Tsui, Swapnadeep Poddar, Yu Fu, Lei Shu, Zhiyong Fan, "Three-Dimensional Perovskite Nanophotonic Wire Array-Based Light-Emitting Diodes with Significantly Improved Efficiency and Stability", ACS Nano, DOI: 10.1021/acsnano.9b06663 Qi Liu, Xiao-Xiong Wang, Wei-Zhi Song, Hui-Jing Qiu, Jun Zhang, Zhiyong Fan, Miao Yu, and Yun-Ze Long, "Wireless Single-Electrode Self-Powered Piezoelectric Sensor for Monitoring", ACS Applied Materials and Interfaces, 2020 12 (7), 8288-8295, DOI: 10.1021/acsami.9b21392 Zhu Yiyi, Zhang Qianpeng, Matthew Kam, Poddar Swapnadeep, Gu Leilei, Liang Shijun, Qi Pengfei, Miao Feng, Fan Zhiyong. "Vapor Phase Fabrication of Three-dimensional Arrayed BiI3 Nanosheets for Cost-effective Solar Cells"， InfoMat (2019): 10.1002/inf2.12070.. Shali Wei, Fang Wang, Xuming Zou, Liming Wang, Chang Liu, Xingqiang Liu, Weida Hu, Zhiyong Fan, Johnny C. Ho, Lei Liao, "Flexible Quasi‐2D Perovskite/IGZO Phototransistors for Ultrasensitive and Broadband Photodetection"， Advanced Materials (2019): 1907527. Hadi Tavakoli Dastjerdi, Pengfei Qi, Zhiyong Fan, Mohammad Mahdi Tavakoli, "Cost-Effective and Semi-Transparent PbS QDs Solar Cells Using Copper Electrode", ACS Appl Mater Interfaces., DOI: 10.1021/acsami.9b18487 Zhesi Chen, Zhuo Chen, Zhilong Song, Wenhao Ye, Fan Zhiyong, "Smart Gas Sensor Arrays Powered by Artificial Intelligence", J. Semicond., 40, 111601, DOI:10.1088/1674-4926/40/11/111601. Tai Li-Chia, Liaw Tiffany, Lin Yuanjing, Nyein Hnin, Bariya Mallika, Ji Wenbo, Hettick Mark, Zhao Chunsong, Zhao Jiangqi, Hou Lei, Yuan Zhen, Fan Zhiyong, Javey Ali, "A Wearable Sweat Band for Noninvasive Levodopa Monitoring", Nano Lett., 2019, 19(9), 6346‐6351. DOI:10.1021/acs.nanolett.9b02478 Yongcai Qiu, Zhenghui Pan, Haining Chen, Daiqi Ye, Guo Line, Zhiyong Fan, Shihe Yang, "Current progress in developing metal oxide nanoarrays-based photoanodes for photoelectrochemical water splitting", Science Bulletin, 64. DOI:10.1016/j.scib.2019.07.017. Wei-Zhi Song, Xiao-Xiong Wang, Hui-Jing Qiu, Qi Liu, Jun Zhang, Zhiyong Fan, Miao Yu, Seeram Ramakrishna, Han Hu, Yun-Ze Long, "Sliding non-contact inductive nanogenerator", Nano Energy, 63, 103878 (2019). Xiaodan Wang, Leonhard Mayrhofer, Markus Hoefer, Sonia Estrade, Lluis Lopez-Conesa, Hao Zhou, Yuanjing Lin, Francesca Peiró, Zhiyong Fan, Hao Shen, Lothar Schaefer, Michael Moseler, Guenter Braeuer and Andreas Waag, "Facile and Efficient Atomic Hydrogenation Enabled Black TiO2 with Enhanced Photoelectrochemical Performance via a Favorably Low Energy Barrier Pathway", Adv. Energy Mater., 1900725 (2019). Zhao Jiangqi, Lin Yuanjing, Wu Jingbo, Nyein Hnin, Bariya Mallika, Tai Li-Chia, Chao Minghan, Ji Wenbo, Zhang George, Fan Zhiyong, Javey Ali, "A fully integrated and self-powered smart watch for continuous sweat glucose monitoring", ACS Sens., 4, 1925−1933 (2019). Yuanjing Lin, Mallika Bariya, Hnin Yin Yin Nyein, Liisa Kivimäki, Sanna Uusitalo, Elina Jansson, Wenbo Ji, Zhen Yuan, Tuomas Happonen, Christina Liedert, Jussi Hiltunen, Zhiyong Fan* and Ali Javey*, "Porous enzymatic membrane for nanotextured glucose sweat sensors with high stability towards reliable noninvasive health monitoring", Adv. Funct. Mater., 1902521 (2019). Daquan Zhang, Leilei Gu, Qianpeng Zhang, Yuanjing Lin, Der-Hsien Lien, Matthew Kam, Swapnadeep Poddar, Erik Garnett, Ali Javey, Zhiyong Fan "Increasing photoluminescence quantum yield by nanophotonic design of quantum-confined halide perovskite nanowire arrays", Nano Lett., 19 (5), pp 2850–2857 (2019). Matthew Kam, Yiyi Zhu, Daquan Zhang, Leilei Gu, Jiaqi Chen, Zhiyong Fan "Efficient Mixed-Cation Mixed-Halide Perovskite Solar Cells by All-Vacuum Sequential Deposition using Metal Oxide Electron Transport Layer", Solar RRL, 1900050 (2019). Matthew Kam, Qianpeng Zhang, Daquan Zhang, Zhiyong Fan "Room-Temperature Sputtered SnO2 as Robust Electron Transport Layer for Air-Stable and Efficient Perovskite Solar Cells on Rigid and Flexible Substrates", Sci. Rep., 9:6963 (2019).