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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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Supplementary files

Article information


Submitted
19 Jul 2011
Accepted
10 Oct 2011
First published
25 Oct 2011

J. Mater. Chem., 2011,21, 18744-18752
Article type
Paper

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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