Highly efficient polymer solar cells using a non-conjugated small-molecule zwitterion with enhancement of electron transfer and collection

Ling Ai; Xinhua Ouyang; Zhiyang Liu; Ruixiang Peng; Weigang Jiang; Wang Li; Lei Zhang; Ling Hong; Tao Lei; Qian Guan; Ziyi Ge

doi:10.1039/C6TA07349B

Highly efficient polymer solar cells using a non-conjugated small-molecule zwitterion with enhancement of electron transfer and collection†

Ling Ai,^a Xinhua Ouyang,^a Zhiyang Liu,^a Ruixiang Peng,^a Weigang Jiang,^a Wang Li,^a Lei Zhang,^a Ling Hong,^a Tao Lei,^a Qian Guan^a and Ziyi Ge*^a

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^a Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
E-mail: geziyi@nimte.ac.cn

Abstract

A novel non-conjugated small-molecule zwitterion is developed as a cathode interfacial material to enhance the electron transfer and collection properties of high-performance PSCs. The devices show significantly increased performance with power conversion efficiencies up to 9.51%. It is noteworthy that the results here provide significant scientific insights into further improvement of interfacial modification and performance of polymer solar cells.

This article is part of the themed collection: 2016 Journal of Materials Chemistry A HOT Papers

Journal of Materials Chemistry A

Highly efficient polymer solar cells using a non-conjugated small-molecule zwitterion with enhancement of electron transfer and collection†

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Highly efficient polymer solar cells using a non-conjugated small-molecule zwitterion with enhancement of electron transfer and collection

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