Modulating the deep-level defects and charge extraction for efficient perovskite solar cells with high fill factor over 86%
Xingcheng Li(University of Science and Technology of China), Xin Wu(City University of Hong Kong), Bo Li(City University of Hong Kong), Zeyan Cen(University of Science and Technology of China), Yanbo Shang(University of Science and Technology of China), Weitao Lian(University of Science and Technology of China), Rui Cao(University of Science and Technology of China), Lingbo Jia(University of Science and Technology of China), Zhen Li(City University of Hong Kong), Danpeng Gao(City University of Hong Kong), Xiaofen Jiang(University of Science and Technology of China), Tao Chen(University of Science and Technology of China), Yalin Lu(University of Science and Technology of China), Zonglong Zhu(City University of Hong Kong), Shangfeng Yang(University of Science and Technology of China)
Cited by 177
Abstract
An effective way has been developed to realize high-performance perovskite solar cells. The relationship between deep-level defects, carrier mobility, charge extraction efficiency and fill factor (FF) was investigated, and the FF loss was analyzed.