All-Polymer Solar Cells Based on Absorption-Complementary Polymer Donor and Acceptor with High Power Conversion Efficiency of 8.27%.

Gao, Liang; Zhang, Zhi-Guo; Xue, Lingwei; Min, Jie; Zhang, Jianqi; Wei, Zhixiang; Li, Yongfang · Adv Mater · 2016

basic_science · Level V

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Abstract

High-efficiency all-polymer solar cells with less thickness-dependent behavior are demonstrated by using a low bandgap n-type conjugated polymer N2200 as acceptor and an absorption-complementary difluorobenzotriazole-based medium-bandgap polymer J51 as donor.