Dihydropyrroloindoledione-based copolymers for organic electronics

J. W. Rumer, S-Y Dai, M. Levick, Y. Kim, M-B Madec, R. S. Ashraf, Z. Huang, S. Rossbauer, B. Schroeder, L. Biniek, S. E. Watkins, T. D. Anthopoulos, R. A. J. Janssen, J. R. Durrant, D. J. Procter, I. McCulloch

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A series of four dihydropyrroloindoledione-based organic semi-conducting polymers are examined for performance in transistor and photovoltaic cell devices. The dihydropyrroloindoledione unit was alternately copolymerized with phenyl, thiophene and bithiophene comonomers, and the resultant polymers exhibit broad absorption, low-bandgaps and deep energy levels, with charge carrier mobilities approaching 0.1 cm2 V−1 s−1. Solar cells processed in a printing friendly solvent (m-xylene) exhibited >2% PCE with a high fill-factor of 0.62 and Voc of 0.75 V.
    Original languageEnglish
    Pages (from-to)2711-2716
    JournalJournal of Materials Chemistry C
    Volume1
    DOIs
    Publication statusPublished - 2013

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