Issue 86, 2012
From the journal:

Chemical Communications

D–π–A–π–D type benzothiadiazole–triphenylamine based small molecules containing cyano on the π-bridge for solution-processed organic solar cells with high open-circuit voltage†

Shaohang Zeng,a   Lunxiang Yin,a   Changyan Ji,ab   Xueying Jiang,b   Kechang Li,b   Yanqin Li*a  and  Yue Wang*b  

* Corresponding authors

a School of Chemistry, Dalian University of Technology, Dalian, China
E-mail: liyanqin@dlut.edu.cn, yuewang@jlu.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 D–π–A–π–D structured small molecules composed of benzothiadiazole and triphenylamine were designed and synthesized. BDCTBT with cyano on the π-bridge exhibited a deep HOMO energy level, resulting in an impressive VOC of up to 1.04 V with a PCE of 3.85%, while non-cyano substituted BDETBT yielded a VOC of 0.94 V and a PCE of 1.99%.

Graphical abstract: D–π–A–π–D type benzothiadiazole–triphenylamine based small molecules containing cyano on the π-bridge for solution-processed organic solar cells with high open-circuit voltage

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Article information

DOI
https://doi.org/10.1039/C2CC35754B
Article type
Communication
Submitted
08 Aug 2012
Accepted
10 Sep 2012
First published
11 Sep 2012

Chem. Commun., 2012,48, 10627-10629

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D–π–A–π–D type benzothiadiazole–triphenylamine based small molecules containing cyano on the π-bridge for solution-processed organic solar cells with high open-circuit voltage

S. Zeng, L. Yin, C. Ji, X. Jiang, K. Li, Y. Li and Y. Wang, Chem. Commun., 2012, 48, 10627 DOI: 10.1039/C2CC35754B

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