OUR TEAM
A vigorous team, rapid response to research hotspots.
Principal Investigator
Prof. Alex K. Y. JEN
任廣禹教授
Email: alexjen@cityu.edu.hk
Lee Shau Kee Chair Professor of Materials Science
Chair Professor, Chemistry and Materials Science
Fellow, European Academy of Sciences
Member, Washington State Academy of Sciences
Fellow, American Association for the Advancement of Science (AAAS)
Fellow, The Materials Research Society (MRS)
Fellow, The American Chemical Society (ACS)
Fellow, The American Chemical Society, Div. of Polym. Mater. Sci. & Engin. (PMSE)
Fellow, The Optical Society of America (OSA)
Fellow, The International Society of Optical Engineering (SPIE)
OPV Thrust
PVSC Thrust
AI for Energy Thrust
OPV Thrust
Francis (Ray) LIN
OPV Thrust Leader
Francis (Ray) Lin received his B.S. degree in Chemistry from the National Taiwan University in 2013 and Ph.D. degree of Chemistry from the University of Washington in 2019, and is currently the thrust leader of organic photovoltaic research team in Alex Jen Research Group in the City University of Hong Kong. He has an interdisciplinary expertise including the design, synthesis and processing of multifunctional organic and organic/inorganic hybrid materials, and develops a broad research interest into the field of solar energy conversion and energy storage, such as organic photovoltaics, Perovskite solar cells and Li-ion batteries.
Qian LI
Postdoctoral Fellow
2023.11-present, Postdoc, MSE, City University of Hong Kong
2017.09-2023.09, Ph.D., School of Physics, Nanjing University.
2013.09-2017.06, B.S., School of Physics, Nanjing University.
Research Area: ultrafast spectroscopy, mechanisms of organic／perovskite photovoltaics
Email: qli436@cityu.edu.hk
Kaikai LIU
Postdoctoral Fellow
2022.08-present, Postdoc, MSE, City University of Hong Kong
2020.07-2022.06, Postdoc, MSE, Peking University
2014.09-2020.05, PH.D., Chemistry, Beijing Institute of Technology
Research Area:
1. Organic Thermoelectric (OTE) Materials
2. Organic Electrochemical Transistor (OECT)
3. Organic Photovoltaic (OPV) Materials
Email: kaikaliu@cityu.edu.hk
Xiangjian CAO
Postdoctoral Fellow
2025.09-present, Postdoc, MSE, City University of Hong Kong
2021.09-2025.07, Ph.D., College of Chemistry, Nankai University
2018.09-2021.07, M.E., School of Chemical Engineering and Technology, Tianjin University
Research Area: High-efficiency and stable organic solar cells
Email: xiancao@cityu.edu.hk
Wei LIU
Postdoctoral Fellow
2025.11-present, Postdoc, MSE, City University of Hong Kong
2019.09-2024.05, PhD, College of Chemistry and Chemical Engineering, Central South University
Research Area: Design and synthesis of novel organic photovoltaic materials.
Email: wliu388@cityu.edu.hk
Gengxin DU
Ph.D. Student
2022.09-present, Ph.D. Student, MSE, City University of Hong Kong
2019.09-2022.07, M.E., Mechanics and Aerospace Engineering, Southern University of Science and Technology
2015.09-2019.07, B.E., MSE, Henan University of Science and Technology
Research Area: Modular high-performance solar cells.
Email：gengxindu2-c@my.cityu.edu.hk
Lingchen KONG
Ph.D. Student
2024.09-present, Ph.D. student, MSE, City University of Hong Kong
2021.09-2024.07, M.E., MSE, South China University of Technology
2017.09-2021.07, B.E., Materials Chemistry, Zhengzhou University
Research Area: Organic solar cell devices
Email: ylckong@outlook.com
Jiayi LI
Ph.D. Student
2025.08 - present, PhD Student, CHEM, City University of Hong Kong
2021.09 - 2025.06, B.S. Chemistry, University of Washington
Research Area: synthesis and identification of photovoltaic materials
Email: jli2233-c@my.cityu.edu.hk
Fung CHAN
Research Assistant
2025.08 - present, Research Assistant, MSE, City University of Hong Kong
2021.09 - 2025.07, BSc in Chemistry, Hong Kong University of Science and Technology
Research Area: Design and synthesis of novel organic photovoltaic materials.
Email: fchan96@um.cityu.edu.hk
Chun To WONG
Ph.D. Student
2025.12-present, PhD student, MSE, City university of Hong kong
2024.09-Present, Research Assistant, MSE, City University of Hong Kong
2020.09-2024.08, BSc, Chemical Technology, The Hong Kong Polytechnic University
Research Area: Design and synthesis of novel organic photovoltaic materials.
PVSC Thrust
Xiaofeng HUANG
Postdoctoral Fellow
2023.09-present, Postdoc, Chemistry, City University of Hong Kong
2023.07-2023.09, Research associate, IKKEM, Xiamen
2017.09-2023.06, Ph.D., Inorganic Chemistry, Xiamen University
2013.09-2017.06, B.E., Applied Chemistry, Huaqiao University
Research Area: Low-dimensionality and three-dimensionality perovskite solar modules
Email: xhuan7@cityu.edu.hk
Tao SHEN
Postdoctoral Fellow
2024.08-present, Postdoctoral Fellow, Chemistry, City University of Hong Kong
2020.09-2024.06, Ph.D., Fudan University
Research Area: Design and synthesis of organic materials
Geping QU
Postdoctoral Fellow
2024.07-present, Postdoc, MSE, City University of Hong Kong
2020.9-2024.07, PH.D., Energy and Power, Harbin Institute of Technology and Southern University of Science and Technology
Research Area:
1. Tandem Solar Cell Devices
2. Solar Cell Modules
3. Design and Synthesis of Organic Small Molecule Materials
Email: gepingqu@cityu.edu.hk or qugeping@live.com
Deng WANG
Postdoctoral Fellow
2024.09-present, Postdoc., City University of Hong Kong.
2020.09-2024.8, PH.D. Student, MSE, City University of Hong Kong
2018.09-2020.07, M.E., Materials Science, Harbin Institute of Technology
2014.09-2018.07, B.E., MSE, Southern University of Science and Technology
Research Area: Perovskite-based tandem devices and modules
Email: dengwang2-c@my.cityu.edu.hk
Lu LIU
Postdoctoral Fellow
2024.09-present, Postdoc., City University of Hong Kong.
2018.09-2024.06, Ph.D., Physical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences.
2014.09-2018.06, B.S., Chemistry, Lanzhou University.
Research Area: perovskite quantum dot, wide-bandgap perovskite and tandem solar cells.
Email:
Leyu BI
Postdoctoral Fellow
2025.07-present, Postdoc, MSE, City University of Hong Kong
2021.02-2025.07, PH.D. Student, Chemistry, City University of Hong Kong
2016.09-2019.07, M.E, Materials Science and Engineering, Xi’an Jiaotong University
2012.9-2016.07, B.E., Material Physics and Chemistry, Xi’an Jiaotong University
Research Area: Perovskite solar cells and solar modules
Email: leyubi2-c@my.cityu.edu.hk
Sanwan LIU
Postdoctoral Fellow
2026.04-present, Postdoc, MSE, City University of Hong Kong
2024.09-2026.03, Postdoc, Sungkyunkwan University
2019.09-2024.06, PH.D., Optical Engineering, Huazhong University of Science and Technology,
2015.09-2019.06, B.E., Material Science and Engineering, Wuhan University of Technology
Research Area:
1. Single-junction/tandem solar cells
2. Development of hole transport materials
3. Regulation of interfacial physicochemical properties
Email: sanwaliu@cityu.edu.hk
Mingqian CHEN
Ph.D. Student
2023.09-present, Ph.D., MSE, City University of Hong Kong
2020.09-2023.06, M.S., Chemistry, Nankai University
2016.09-2020.06, B.E., Chemistry, University of Jinan
Research Area: High-efficiency and stable perovskite solar cells
Email: mingqchen4-c@my.cityu.edu.hk
Chengjian YUAN
Ph.D. Student
2024.09-present, Ph.D., MSE, City University of Hong Kong
2021.9-2024.6, M.S., Integrated Circuit Engineering, University of Science and Technology of China.
2017.9-2021.6, B.E., Electronic science and technology, University of Science and Technology of China.
Research Area: perovskite solar cells.
Email: mql131712@gmail.com
Jiarong WANG
Ph.D. Student
2023.09-present, Ph.D., MSE, City University of Hong Kong
2020.09-2023.06, M.E., Environmental Science and Engineering, South China University of Technology
2016.09-2020.06, B.E., Environmental Engineering, Jinan University
Research Area: Perovskite solar cells and solar modules
Email: jiarowang3-c@my.cityu.edu.hk
Fanbo FENG
Ph.D. Student
2024.09-present, Ph.D., MSE, City University of Hong Kong
2022.09-2024.06, B.E., MSE, University of Pittsburgh
2020.09-2022.06, B.E., MSE, Sichuan University
Research Area: Perovskite solar cells
Email: fanbofeng2@cityu.edu.hk
Yang YANG
Exchange Student
2026.01-present, Exchange Student, City University of Hong Kong
2023.09-present, PhD Student, School of Materials Science and Engineering, Northwestern Polytechnical University
Area: High-efficiency and stable perovskite solar cells
Email: yyan225@cityu.edu.hk
AI for Energy Thrust
Jiaxue YOU
Postdoctoral Fellow
2023.04-present, Postdoc, MSE, City University of Hong Kong 2019.10-2023.04, Postdoc, MSE, Shaanxi Normal University 2018.09-2019.10, Postdoc, MSE, Northwestern Polytechnical University
2016.11-2017.05, visiting Ph.D., DAMTP, University of Cambridge
2013.09-2018.06, Ph.D., MSE, Northwestern Polytechnical University
2009.09-2013.06, B.E., MSE, Taiyuan University of Technology
Research Area: Novel perovskite single crystal for X-ray detection and perovskite solar cells
Email: jiaxuyou@cityu.edu.hk
Liying GAO
Postdoctoral Fellow
2025.05 - present, Postdoc, City University of Hong Kong
2021.11 - 2023.11, Visiting PH.D., Computer Science, Nanyang Technological University
2018.09 - 2024.12, Ph.D., Computer Science and Pattern Recognition, Northwestern Polytechnical University
2014.09 - 2018.06, B.S., Computer Science, Northwestern Polytechnical University
Research Area: Deep Learning for Material Science
Email: liyingao@cityu.edu.hk
Xinying CAI
Ph.D. Student
2025.09-present., PhD student, MSE, City University of Hong Kong
2024.12-202509AI4Sci, City University of Hong Kong, 2020.09-2024.06, Bachelor, Energy & Environment Systems Engineering Zhejiang University
Email: xinying.cai@cityu.edu.hk
