Molecular engineering of benzotriazole-based polymer donors for high performance all-polymer solar cells

Jiawei Ru; Mengzhen Du; Jieying Cao; Xin Liu; Hongjun Cheng; Lin Hu; Qing Guo; Zhihong Xu; Chao Li; Erjun Zhou

doi:10.1039/D5CC03097H

Molecular engineering of benzotriazole-based polymer donors for high performance all-polymer solar cells†

Jiawei Ru,^a Mengzhen Du,*^b Jieying Cao,^b Xin Liu,^b Hongjun Cheng,^b Lin Hu,

^b Qing Guo,*^a Zhihong Xu,^c Chao Li

^a and Erjun Zhou

*^b

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* Corresponding authors

^a School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China
E-mail: qingg319@zzu.edu.cn

^b College of Biological and Chemical Engineering, Jiaxing University, Jiaxing 314001, China
E-mail: dumengzhen@zjxu.edu.cn, zhouej@nanoctr.cn

^c College of Chemical and Materials Engineering, Xuchang University, Xuchang, Henan 461000, China

Abstract

Three BTA-based polymers J52-F, PE3 and PE3-FCl, are utilized to investigate the effects of molecular configuration change and asymmetric halogen substitution on the device performance of all-PSCs. Ultimately, the binary all-PSCs based on PE3-FCl:PY-IT achieve a record power conversion efficiency (PCE) of 17.73%, which is among the highest values for all-PSCs containing BTA-based polymers.

This article is part of the themed collection: All-Polymer Solar Cells

Chemical Communications

Molecular engineering of benzotriazole-based polymer donors for high performance all-polymer solar cells†

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Molecular engineering of benzotriazole-based polymer donors for high performance all-polymer solar cells

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