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报告人:李 刚 教授
邀请人:孙会靓 教授
主持人:孙会靓 教授
时间:2023年10月22日(星期日)9:30-10:30
地点:广州大学大学城校区理科教学楼北楼202-2会议室
报告人简介
Gang Li is Sir Sze-yuen Chung Endowed Professor in Renewable Energy, Chair Professor in the Department of Electric and Electronic Engineering, Associate Director of Research Institute of Smart Energy (RISE) in the Hong Kong Polytechnic University. He obtained his BS degree from Wuhan University in Space Physics, MS in Electrical Engineering and PhD in Condensed Matter Physics from Iowa State University in 2003. His research interests are on materials, device engineering and device physics in organic semiconductors and hybrid perovskite semiconductors, focusing on energy applications. He was a postdoc and research professor at UCLA, and VP of Solarmer Energy Inc. before coming to Hong Kong in 2016. He has been among Thomson Reuters/ Clarivate Analytics Highly Cited Researchers since 2014, published ~220 papers, with over 76,000 citations and h-index of 89.
报告内容简介
Organic solar cells (OSCs) and hybrid organic-inorganic metal halide perovskite solar cells (PSCs) are two of the most promising candidates for next generation printable photovoltaics primarily due to their high efficiency, printability, low cost etc. Organic semiconductors, due to the tightly bounded excitonic feature, tend to have drawbacks in achieving high efficiency. In this talk, I will present recent progress in solution processed organic solar cells, in which several approaches have been explored in achieving advances in power conversion efficiencies (PCEs) – in single junction OSCs:
-Progress in morphology control in non-fullerene acceptor OSCs
Achieving 19.3% binary OSCs (certified 18.9% PCE) via an unconventional non-monotonic intermediate state manipulation strategy
-Formation and controlling of graded BHJ OSC with high efficiency and processability
From form-factor/application point of view, I will present works in
(a) highly visibly transparent OSC with record performance of 5.35% LUE via optical and active layer engineering;
(b) all solution process intrinsically stretchable semitransparent OSC.