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Seleno twisted benzodiperylenediimides: facile synthesis and excellent electron acceptors for additive-free organic solar cells.

Research paper by Ming M Hu, Xiaohong X Zhao, Guomin G Zhu, Youdi Y Zhang, Zhongyi Z Yuan, Lei L Wang, Xiaoshuai X Huang, Yu Y Hu, Yiwang Y Chen

Indexed on: 20 Dec '18Published on: 20 Dec '18Published in: Chemical Communications



Abstract

Seleno twisted benzodiperylenediimides (TBDPDI-Se) as promising electron acceptor chromophores were designed and synthesized using a facile strategy with which different side chains could be introduced readily. Bulk heterojunction organic solar cells based on these acceptors exhibit the highest power conversion efficiency of 7.41% without any additive treatment.