Over 14% efficiency all-polymer solar cells enabled by a low bandgap polymer acceptor with low energy loss and efficient charge separation
Qunping Fan(Göteborgs Stads), Qiaoshi An(Beijing Institute of Technology), Yuanbao Lin(Kootenay Association for Science & Technology), Yuxin Xia(Linköping University), Qian Li(Collaborative Innovation Center of Advanced Microstructures), Ming Zhang(Shanghai Jiao Tong University), Wenyan Su(Jinan University), Wenhong Peng(Göteborgs Stads), Chunfeng Zhang(Collaborative Innovation Center of Advanced Microstructures), Feng Liu(Shanghai Jiao Tong University), Lintao Hou(Jinan University), Weiguo Zhu(Changzhou University), Donghong Yu(Sino-Danish Centre for Education and Research), Min Xiao(Collaborative Innovation Center of Advanced Microstructures), Ellen Moons(Karlstad University), Fujun Zhang(Beijing Jiaotong University), Thomas D. Anthopoulos(Kootenay Association for Science & Technology), Olle Inganäs(Linköping University), Ergang Wang(Göteborgs Stads)
Cited by 202Open Access
Abstract
A low bandgap polymer acceptor PF5-Y5 was synthesized and its all-PSCs achieved an impressive device efficiency of 14.45% with both high <italic>V</italic><sub>oc</sub> and <italic>J</italic><sub>sc</sub> due to the excellent absorption coverage, small energy loss, and efficient charge separation.
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