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Issue 5, 2011
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Side chain engineering of fused aromatic thienopyrazine based low band-gap polymers for enhanced charge carrier mobility

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Abstract

A strategic side-chain engineering approach leads to the two orders of magnitude enhancement of charge carrier mobility in phenanthrene based fused aromatic thienopyrazine polymers. Hole carrier mobility up to 0.012 cm2/Vs can be obtained in thin film transistor devices. Polymers were also utilized to fabricate bulk heterojunction photovoltaic devices and the maximum PCE obtained in these OPV's was 1.15%. Most importantly, performances of the devices were correlated with thin morphological analysis performed by atomic force microscopy and grazing incidence X-ray scattering.

Graphical abstract: Side chain engineering of fused aromatic thienopyrazine based low band-gap polymers for enhanced charge carrier mobility

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Publication details

The article was received on 31 Jul 2010, accepted on 01 Sep 2010 and first published on 30 Sep 2010


Article type: Paper
DOI: 10.1039/C0JM02491K
Citation: J. Mater. Chem., 2011,21, 1537-1543
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    Side chain engineering of fused aromatic thienopyrazine based low band-gap polymers for enhanced charge carrier mobility

    R. Mondal, S. Ko, E. Verploegen, H. A. Becerril, M. F. Toney and Z. Bao, J. Mater. Chem., 2011, 21, 1537
    DOI: 10.1039/C0JM02491K

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