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Issue 65, 2013
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Regioregular pyridyl[2,1,3]thiadiazole-co-indacenodithiophene conjugated polymers

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Abstract

Regioregular conjugated polymers containing alternating pyridyl[2,1,3]thiadiazole (PT) and indacenodithiophene (IDT) structural units were synthesized. In these copolymers, the pyridyl nitrogen atoms on PT are precisely arranged along the backbone so that each one has an adjacent proximal and an adjacent distal counterpart across the two IDT flanking units. We find that despite the absence of obvious differences in orbital energy levels and optical bandgap, the regioregular materials exhibit larger charge carrier mobilities, as determined by using field effect transistor devices, and can yield higher solar cell power conversion efficiencies when mixed with fullerenes in bulk heterojunction active layers.

Graphical abstract: Regioregular pyridyl[2,1,3]thiadiazole-co-indacenodithiophene conjugated polymers

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Publication details

The article was received on 02 May 2013, accepted on 24 May 2013 and first published on 28 May 2013


Article type: Communication
DOI: 10.1039/C3CC43229G
Citation: Chem. Commun., 2013,49, 7192-7194
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    Regioregular pyridyl[2,1,3]thiadiazole-co-indacenodithiophene conjugated polymers

    W. Wen, L. Ying, B. B. Y. Hsu, Y. Zhang, T. Nguyen and G. C. Bazan, Chem. Commun., 2013, 49, 7192
    DOI: 10.1039/C3CC43229G

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