Issue 71, 2014
From the journal:

Chemical Communications

High performance asymmetrical push–pull small molecules end-capped with cyanophenyl for solution-processed solar cells†

Hang Gao,a   Yanqin Li,a   Lihui Wang,a   Changyan Ji,a   Yue Wang,b   Wenjing Tian,b   Xichuan Yanga  and  Lunxiang Yin*a  

* Corresponding authors

a School of Chemistry, Dalian University of Technology, Dalian, China
E-mail: lxyin@dlut.edu.cn
Fax: +86-411-84986040
Tel: +86-411-84986040

b State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, China

Abstract

Two novel asymmetrical push–pull small molecules have been synthesized successfully, consisting of triphenylamine and diketopyrrolopyrrole as a fundamental dipolar D–π–A structure with ethynylbenzene as the π-bridge. TPATDPPCN end-capped with cyanophenyl exhibits a low optical band gap of 1.65 eV, and an impressive PCE of 5.94% has been achieved.

Graphical abstract: High performance asymmetrical push–pull small molecules end-capped with cyanophenyl for solution-processed solar cells

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Article information

DOI
https://doi.org/10.1039/C4CC04020A
Article type
Communication
Submitted
26 May 2014
Accepted
15 Jul 2014
First published
23 Jul 2014

Chem. Commun., 2014,50, 10251-10254

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High performance asymmetrical push–pull small molecules end-capped with cyanophenyl for solution-processed solar cells

H. Gao, Y. Li, L. Wang, C. Ji, Y. Wang, W. Tian, X. Yang and L. Yin, Chem. Commun., 2014, 50, 10251 DOI: 10.1039/C4CC04020A

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