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Issue 4, 2014
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Benzotriazole-based donor–acceptor conjugated polymers with a broad absorption in the visible range

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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

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Publication details

The article was received on 25 Aug 2013, accepted on 24 Oct 2013 and first published on 14 Nov 2013


Article type: Paper
DOI: 10.1039/C3PY01142A
Citation: Polym. Chem., 2014,5, 1258-1263
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    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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