Issue 12, 2017
From the journal:

Journal of Materials Chemistry C

A perylene diimide electron acceptor with a triptycene core for organic solar cells†

Xiaofeng Liu,a   Yunhao Cai,b   Xuebin Huang, ORCID logo *a   Rubo Zhang*a  and  Xiaobo Sun*b  

* Corresponding authors

a Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, 5 Zhongguancun Road, Beijing 100081, P. R. China
E-mail: huangxb@bit.edu.cn

b Heeger Beijing Research and Development Center, School of Chemistry and Environment, Beihang University, Beijing 100191, P. R. China
E-mail: sunxb@buaa.edu.cn

Abstract

A new 3D-structured acceptor TP3, in which three perylene diimide (PDI) units are connected together by a triptycene (TPC) core, is synthesized and characterized. Organic solar cells (OSCs) fabricated with a PTB7-Th:TP3 blend film as the active layer have been investigated and the best power conversion efficiency (PCE) of 3.16% is achieved by adding 0.5% DIO. Our studies suggest that the introduction of the TPC core could suppress the strong self-aggregation tendency of the PDI chromophores.

Graphical abstract: A perylene diimide electron acceptor with a triptycene core for organic solar cells

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Article information

DOI
https://doi.org/10.1039/C7TC00378A
Article type
Paper
Submitted
23 Jan 2017
Accepted
25 Feb 2017
First published
27 Feb 2017

J. Mater. Chem. C, 2017,5, 3188-3194

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A perylene diimide electron acceptor with a triptycene core for organic solar cells

X. Liu, Y. Cai, X. Huang, R. Zhang and X. Sun, J. Mater. Chem. C, 2017, 5, 3188 DOI: 10.1039/C7TC00378A

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