Issue 17, 2011
From the journal:

Chemical Communications

An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage†

Ergang Wang,*a   Zaifei Ma,b   Zhen Zhang,a   Patrik Henriksson,a   Olle Inganäs,b   Fengling Zhangb  and  Mats R. Andersson*a  

* Corresponding authors

a Department of Chemical and Biological Engineering/Polymer Technology, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
E-mail: ergang@chalmers.se, mats.andersson@chalmers.se
Fax: +46 (0)31 7723418
Tel: +46 (0)31 7723401

b Biomolecular and Organic Electronics, IFM, Linköping University, SE-58183 Linköping, Sweden

Abstract

A new low band gap polymer (Eg = 1.6 eV) with alternating thiophene and isoindigo units was synthesized and characterized. A PCE of 3.0% and high open-circuit voltage of 0.89 V were realized in polymer solar cells, which demonstrated the promise of isoindigo as an electron deficient unit in the design of donor–acceptor conjugated polymers for polymer solar cells.

Graphical abstract: An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage

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Article information

DOI
https://doi.org/10.1039/C1CC11053E
Article type
Communication
Submitted
22 Feb 2011
Accepted
07 Mar 2011
First published
24 Mar 2011

Chem. Commun., 2011,47, 4908-4910

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An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage

E. Wang, Z. Ma, Z. Zhang, P. Henriksson, O. Inganäs, F. Zhang and M. R. Andersson, Chem. Commun., 2011, 47, 4908 DOI: 10.1039/C1CC11053E

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