Yan, Keyou





Admissions Major

  • Master's admissions major:

  • Master of academic degree: 083000| Environmental science and engineering.

  • Master of professional degree: 085700| Resources and environment.

  • Doctoral admissions major:

  • Doctor of academic degree: 083000| Environmental science and engineering.

  • Doctor of professional degree: 085700| Resources and environment.

Working experience

  • 09/2013-08/2014: Postdoctoral Fellow, Department of Chemistry, Hong Kong University of Science and Technology

  • 09/2014-11/2015: Postdoctoral Fellow, Department of Electronic Information Engineering, Chinese University of Hong Kong

  • 12/2015-06/2016: Research Fellow, Department of Applied Physics, Hong Kong Polytechnic University

  • 07/2016--7/2019: Assistant Professor, Department of Electronic Engineering, Chinese University of Hong Kong

  • 04/2018-Present: Professor, School of Environment and Energy, South China University of Technology

Educational experience

  • 09/2002-07/2006: Bachelor's Degree in Materials Physics, China University of Petroleum (East China)

  • 09/2006-07/2009: M.S. in Materials Physics and Chemistry, China University of Petroleum (East China)

  • 09/2009-08/2013: PhD in Nanoscience and Technology, Hong Kong University of Science and Technology

Field of research

  • New photovoltaic light-emitting materials and devices, including chalcogenide cells, LEDs and new thin-film materials.

  • Green recycling and resourcefulness technologies, including lead-acid battery recycling, etc.

Recent research projects

  • Overseas Distinguished Talents Program, CNY 2 million.

  • Guangdong Young Top Talents Program, CNY 2.5 million.

  • Xing Hua Talent Elite Scholars, CNY 2 million

  • Guangdong Innovation and Entrepreneurship Team, CNY 2 million (sub-topic leader)

Social, Society and Academic Affiliations

  • IEEE Society Member

  • ACS Society Member

Academic achievements

  1. Duan, C., Liu, Z., Yuan, L., Zhu, H., Luo, H., Yan, K.*, PEDOT:PSS‐Metal Oxide Composite Electrode with Regulated Wettability and Work Function for High‐Performance Inverted Perovskite Solar Cells. Adv. Optical Mater. 2020, 8, 2000216.

  2. Wang, H., Qin, Z., Xie, J., Zhao, S., Liu, K., Guo, X., Li, G., Lu, X.*, Yan, K.*, Xu, J. B.*, Efficient Slantwise Aligned Dion–Jacobson Phase Perovskite Solar Cells Based on Trans‐1,4‐Cyclohexanediamine. Small2020, 16, 2003098.

  3. Xie, J.,Yan, K.*, Zhu, H., Li, G., Wang, H., Zhu, H., Hang, P., Zhao, S.,Guo, W., Ye, D., Shao, L., Guan, X.,Ngai, O., Yu, X.,Xu, J.*Identifying the functional groups effect on passivating perovskite solar cells, Sci. Bull.2020, 65, 1726-1734.

  4. Xie, J., Hang, P., Wang, H., Zhao, S., Li, G., Fang, Y., Liu, F., Guo, X., Zhu, H., Lu, X., Yu, X.*, Chan, C. C. S., Wong, K. S., Yang, D., Xu, J.*, and Yan, K.* Perovskite Bifunctional Device with Improved Electroluminescent and Photovoltaic Performance through Interfacial Energy-Band Engineering, Adv. Mater.2019, 31, 1902543.

  5. Wang, H., Cheng, G. H., Xie, J. S., Zhao, S. H., Qin, M. C., Chan, C. C. S., Qiu, Y. C., Chen, G. X., Duan, C. H., Wong, K. S., Wang, J. N., Lu, X. H., Xu, J. B.*, and Yan, K.*  Bulk Heterojunction Quasi-Two-Dimensional Perovskite Solar Cell with 1.18 V High Photovoltage, ACS. Appl. Mater. Inter. 2019, 11, 2935-2943.

  6. Zhao, S., Xie, J., Cheng, G., Xiang, Y., Zhu, H., Guo, W., Wang, H., Qin, M., Lu, X., Qu, J., Wang, J., Xu, J.*, and Yan, K.* General Nondestructive Passivation by 4-Fluoroaniline for Perovskite Solar Cells with Improved Performance and Stability, Smal l2018,14, 1803350.

  7. Long, M., Zhang, T., Zhu, H., Li, G., Wang, F., Guo, W., Chai, Y., Chen, W., Li, Q., Wong, K. S., Xu, J.*, and Yan, K.* Textured CH3NH3PbI3 thin film with enhanced stability for high performance perovskite solar cells, Nano Energy. 2017, 33, 485-496.

  8. Long, M., Zhang, T., Xu, W., Zeng, X., Xie, F., Li, Q., Chen, Z., Zhou, F., Wong, K. S., Yan, K. *, and Xu, J.* Large-Grain Formamidinium PbI3–xBrx for High-Performance Perovskite Solar Cells via Intermediate Halide Exchange, Adv. Energy Mater.2017, 1601882.

  9. Yan, K. *, Wei, Z. H., Zhang, T. K., Zheng, X. L., Long, M. Z., Chen, Z. F., Xie, W. G., Zhang, T., Zhao, Y. D., Xu, J. B., Chai, Y.*, and Yang, S.* Near-Infrared Photoresponse of One-Sided Abrupt MAPbI3/TiO2 Heterojunction through a Tunneling Process, Adv. Funct. Mater.2016, 26, 8545-8554.

  10. Long, M., Zhang, T., Chai, Y., Ng, C.-F., Mak, T. C. W., Xu, J.*, and Yan, K.* Nonstoichiometric acid–base reaction as reliable synthetic route to highly stable CH3NH3PbI3 perovskite film, Nat. Commun.2016, 7, 13503.

Other (teaching activities/honors, etc.)

  • Honors: Second Prize of Natural Science, Ministry of Education.

  • Courses: Nanoelectronics (HKUST), Inorganic Chemistry (South China University of Technology)

  • Supervised students:

  • During his teaching position at the Chinese University of Hong Kong, he supervised the following postdocs, PhD students and visiting scholars:

  • Postdoctoral: Jiang-Sheng Xie (Associate Professor, Sun Yat-sen University), Feng Liu (Professor, Shanxi University)

  • Ph.D.: Mingzhu Long (co-supervisor, overseas distinguished, Guangdong Jieqing recipient, researcher at South China Normal University), Shenghe Zhao (co-supervisor, postdoctoral fellow at Chinese University of Hong Kong), Han Wang (co-supervisor)

  • Visiting Scholar: Qing-Song Jiang (Associate Professor, Huaiyin Institute of Technology, Jiangsu Province)

  • South China University of Technology Team:

  • Postdoc: Mingjie Li (PhD, Tohoku University, Japan, category I), selected as a postdoc in Pearl River Talent Program

  • Graduate students: Zidan Liu (2018 direct PhD), Yueyue Shen (2018 PhD), Chenghao Duan (2018 PhD), Hepeng Zhu (2018 MSc), Jiong Li (2018 MSc) Ligang Yuan (2019 PhD), Huiling Tang (2019 MSc), Huiming Luo (2019 MSc) Suyun Wen (2020 MSc), Jiajang Wang (2020 MSc), Liqin Wu (2020 M.S.)

Curriculum Vitae :

  • Prof. Yan Keyou is a doctoral supervisor and a member of the "Xinghua Elite Scholars" of South China University of Technology. He got a Ph. D. from the Hong Kong University of Science and Technology (HKUST), and held postdoctoral research positions at HKUST, the Chinese University of Hong Kong (CUHK) and the Hong Kong Polytechnic University (PolyU). Afterwards, he had an assistant professorship at CUHK. Professor Yan has been engaged in the research of new photovoltaic materials and devices, and has published more than 60 academic papers in international journals, including Journal of the American Chemistry Society (JACS), Nature Communications, ACS Nano, Energy & Environmental Science, etc., with more than 4,000 citations, among which 8 papers have been selected as highly cited papers in ESI, and the results have been highlighted and reviewed in academic medias. He has been invited to give keynote and presentations at international academic conferences, such as the AFM conference at UCLA. He is also a reviewer for authoritative journals such as JACS and Nature Communications, and is a young expert in the field of nanomaterials and new energy. Professor Yan is a member of the American Chemical Society (ACS), the American Materials Society (MRS), and the Institute of Electrical and Electronics Engineers (IEEE). He has presided over more than ten million CNY of national regional talent projects, and as a member of the Ministry of Education, he won the second prize of natural science.