Issue 44, 2011
From the journal:

Journal of Materials Chemistry

A benzotrithiophene-based low band gap polymer for polymer solar cells with high open-circuit voltage†

Christian B. Nielsen,*a   Bob C. Schroeder,a   Afshin Hadipour,b   Barry P. Rand,b   Scott E. Watkinsc  and  Iain McCullocha  

* Corresponding authors

a Department of Chemistry and Centre for Plastic Electronics, Imperial College London, London, UK
E-mail: c.nielsen@imperial.ac.uk

b IMEC, Kapeldreef 75, Leuven, Belgium

c CSIRO Materials Science and Engineering, Australia

Abstract

A new benzotrithiophene-containing donor–acceptor type copolymer for polymer solar cells is reported. The promise of benzotrithiophene as a weak donor material is reflected in a polymer band gap of 1.75 eV affording a high Voc of 0.81 V and a moderate PCE of 2.2% in a polymer solar cell.

Graphical abstract: A benzotrithiophene-based low band gap polymer for polymer solar cells with high open-circuit voltage

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Article information

DOI
https://doi.org/10.1039/C1JM13393D
Article type
Communication
Submitted
18 Jul 2011
Accepted
14 Sep 2011
First published
04 Oct 2011

J. Mater. Chem., 2011,21, 17642-17645

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A benzotrithiophene-based low band gap polymer for polymer solar cells with high open-circuit voltage

C. B. Nielsen, B. C. Schroeder, A. Hadipour, B. P. Rand, S. E. Watkins and I. McCulloch, J. Mater. Chem., 2011, 21, 17642 DOI: 10.1039/C1JM13393D

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