Issue 11, 2016
From the journal:

Journal of Materials Chemistry C

A random copolymer approach to develop nonfullerene acceptors for all-polymer solar cells†

Xiangzhi Li,ab   Po Sun,ab   Yulong Wang,b   Haiquan Shan,b   Jiaju Xu,b   Xin Song,a   Zong-xiang Xu*b  and  Zhi-Kuan Chen*a  

* Corresponding authors

a Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), National Jiangsu Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
E-mail: iamzkchen@njtech.edu.cn

b Department of Chemistry, South University of Science and Technology of China, Shenzhen, P. R. China
E-mail: xuzx@sustc.edu.cn

Abstract

We report a donor–acceptor type of random copolymer PNDI-TT-TVT as a replacement for fullerene-based acceptors in organic solar cells (OSCs). PNDI-TT-TVT is composed of naphthalene tetracarboxylic diimide (NDI) acceptor units, randomly distributed thieno[3,2-b]thiophene (TT) and thienylene-vinylene-thienylene (TVT) donor units. OSCs fabricated from a blend of PTB7-Th and PNDI-TT-TVT exhibit a power conversion efficiency of 4.86%, which is significantly higher than the PCEs of the devices based on alternating copolymers of PNDI-TT and PNDI-TVT. The results indicate that random copolymerization is a promising approach to develop novel polymer acceptors for organic photovoltaics.

Graphical abstract: A random copolymer approach to develop nonfullerene acceptors for all-polymer solar cells

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Article information

DOI
https://doi.org/10.1039/C6TC00031B
Article type
Communication
Submitted
04 Jan 2016
Accepted
31 Jan 2016
First published
01 Feb 2016

J. Mater. Chem. C, 2016,4, 2106-2110

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A random copolymer approach to develop nonfullerene acceptors for all-polymer solar cells

X. Li, P. Sun, Y. Wang, H. Shan, J. Xu, X. Song, Z. Xu and Z. Chen, J. Mater. Chem. C, 2016, 4, 2106 DOI: 10.1039/C6TC00031B

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