Issue 4, 2014

Benzotriazole-based donor–acceptor conjugated polymers with a broad absorption in the visible range

Abstract

A series of benzodithiophene–benzotriazole push–pull copolymers were synthesised and characterised and their performance in bulk heterojunction solar cells devices was assessed. By incorporating strong electron acceptor units, such as benzothiadiazole and pyridylthiadiazole, into the polymer backbone, significant absorption across the entire visible range (300 nm to 750 nm) was observed for the random copolymers. The importance of investigating photophysical as well as bulk material properties of the polymers was demonstrated with a correlation of properties with device performance.

Graphical abstract: Benzotriazole-based donor–acceptor conjugated polymers with a broad absorption in the visible range

Supplementary files

Article information

Article type
Paper
Submitted
25 Aug 2013
Accepted
24 Oct 2013
First published
14 Nov 2013

Polym. Chem., 2014,5, 1258-1263

Benzotriazole-based donor–acceptor conjugated polymers with a broad absorption in the visible range

W. W. H. Wong, J. Subbiah, S. R. Puniredd, W. Pisula, D. J. Jones and A. B. Holmes, Polym. Chem., 2014, 5, 1258 DOI: 10.1039/C3PY01142A

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