Over 14% efficiency all-polymer solar cells enabled by a low bandgap polymer acceptor with low energy loss and efficient charge separation
Qunping Fan, Qiaoshi An, Yuanbao Lin, Yuxin Xia, Qian Li, Ming Zhang, Wenyan Su, Wenhong Peng, Chunfeng Zhang, Feng Liu, Lintao Hou, Weiguo Zhu, Donghong Yu, Min Xiao, Ellen Moons, Fujun Zhang, Thomas D. Anthopoulos, Olle Inganäs, Ergang Wang
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.
Topics & Concepts
PolymerAcceptorMaterials scienceBand gapCharge (physics)Polymer solar cellOptoelectronicsHybrid solar cellComposite materialPhysicsCondensed matter physicsQuantum mechanicsOrganic Electronics and PhotovoltaicsConducting polymers and applicationsThin-Film Transistor Technologies