A Facile Planar Fused-Ring Electron Acceptor for As-Cast Polymer Solar Cells with 8.71% Efficiency
Yuze Lin(Capital Normal University), Qiao He(Peking University), Fuwen Zhao(Chinese Academy of Sciences), Lijun Huo(Beihang University), Jiangquan Mai(Chinese University of Hong Kong), Xinhui Lu(Chinese University of Hong Kong), Chun‐Jen Su(National Synchrotron Radiation Research Center), Tengfei Li(Peking University), Jiayu Wang(Peking University), Jingshuai Zhu(Capital Normal University), Yanming Sun(Beihang University), Chunru Wang(Chinese Academy of Sciences), Xiaowei Zhan(Peking University)
Cited by 940
Abstract
A planar fused-ring electron acceptor (IC-C6IDT-IC) based on indacenodithiophene is designed and synthesized. IC-C6IDT-IC shows strong absorption in 500-800 nm with extinction coefficient of up to 2.4 × 10(5) M(-1) cm(-1) and high electron mobility of 1.1 × 10(-3) cm(2) V(-1) s(-1). The as-cast polymer solar cells based on IC-C6IDT-IC without additional treatments exhibit power conversion efficiencies of up to 8.71%.
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