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Issue 46, 2011
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Pyrroloindacenodithiophene containing polymers for organic field effect transistors and organic photovoltaics

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Abstract

The synthesis of the novel electron-rich pyrroloindacenodithiophene (NIDT) unit is reported. Stille copolymerization of the distannylated NIDT unit, with the electron-deficient dibrominated benzothiadiazole (BT), difluorobenzothiadiazole (ffBT), thienopyrrolodione (TPD) and 1,1′-bithienopyrrolodione (biTPD) units afforded a series of low band gap semiconducting polymers. Initial testing shows promise for the use of these materials as p-type semiconductors in organic field effect transistors (OFETs) with mobilities as high as 0.07 cm2V−1s−1 being measured. These materials have also been tested as the donor polymer in polymer/fullerene bulk heterojunction organic photovoltaics (OPVs) giving maximum efficiencies of 2.5%.

Graphical abstract: Pyrroloindacenodithiophene containing polymers for organic field effect transistors and organic photovoltaics

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Publication details

The article was received on 19 Jul 2011, accepted on 10 Oct 2011 and first published on 25 Oct 2011


Article type: Paper
DOI: 10.1039/C1JM13428K
Citation: J. Mater. Chem., 2011,21, 18744-18752
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    Pyrroloindacenodithiophene containing polymers for organic field effect transistors and organic photovoltaics

    J. E. Donaghey, R. S. Ashraf, Y. Kim, Z. G. Huang, C. B. Nielsen, W. Zhang, B. Schroeder, C. R. G. Grenier, C. T. Brown, P. D'Angelo, J. Smith, S. Watkins, K. Song, T. D. Anthopoulos, J. R. Durrant, C. K. Williams and I. McCulloch, J. Mater. Chem., 2011, 21, 18744
    DOI: 10.1039/C1JM13428K

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