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Issue 5, 2011
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Small band gap copolymers based on furan and diketopyrrolopyrrole for field-effect transistors and photovoltaic cells

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Abstract

Four small band gap semiconducting copolymers based on electron deficient diketopyrrolopyrrole alternating with electron rich trimers containing furan and benzene or thiophene have been synthesized via Suzuki polymerization. The polymers have optical band gaps between 1.4 and 1.6 eV, optimized for solar energy conversion, and exhibit ambipolar charge transport in field-effect transistors with hole and electron mobilities higher than 10−2 cm2 V−1 s−1. In solar cells the polymers are used as electron donors and provide power conversion efficiencies up to 3.7% in simulated solar light when mixed with [70]PCBM as acceptor.

Graphical abstract: Small band gap copolymers based on furan and diketopyrrolopyrrole for field-effect transistors and photovoltaic cells

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Publication details

The article was received on 18 Sep 2010, accepted on 02 Nov 2010 and first published on 06 Dec 2010


Article type: Paper
DOI: 10.1039/C0JM03137B
Citation: J. Mater. Chem., 2011,21, 1600-1606

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    Small band gap copolymers based on furan and diketopyrrolopyrrole for field-effect transistors and photovoltaic cells

    J. C. Bijleveld, B. P. Karsten, S. G. J. Mathijssen, M. M. Wienk, D. M. de Leeuw and R. A. J. Janssen, J. Mater. Chem., 2011, 21, 1600
    DOI: 10.1039/C0JM03137B

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