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Anisotropic Charge Transport in Spherulitic Poly(3-hexylthiophene) Films

Authors

  • Edward J. W. Crossland,

    Corresponding author
    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Freiburg Materials Research Center and Institute for Macromolecular, Chemistry University of Freiburg Stefan-Meier-Str. 21, 79104 Freiburg, Germany
    Current affiliation:
    1. Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX13PU, UK
    • Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany.
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  • Kim Tremel,

    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Freiburg Materials Research Center and Institute for Macromolecular, Chemistry University of Freiburg Stefan-Meier-Str. 21, 79104 Freiburg, Germany
    Current affiliation:
    1. Institut für Polymerchemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart.
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  • Florian Fischer,

    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Freiburg Materials Research Center and Institute for Macromolecular, Chemistry University of Freiburg Stefan-Meier-Str. 21, 79104 Freiburg, Germany
    Current affiliation:
    1. Institut für Polymerchemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart.
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  • Khosrow Rahimi,

    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Physikalisches Institut University of Freiburg Hermann-Herder-Str 3a, 79104 Freiburg, Germany
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  • Günter Reiter,

    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Physikalisches Institut University of Freiburg Hermann-Herder-Str 3a, 79104 Freiburg, Germany
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  • Ullrich Steiner,

    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Cavendish Laboratory, Department of Physics, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, UK
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  • Sabine Ludwigs

    Corresponding author
    1. Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany
    2. Freiburg Materials Research Center and Institute for Macromolecular, Chemistry University of Freiburg Stefan-Meier-Str. 21, 79104 Freiburg, Germany
    Current affiliation:
    1. Institut für Polymerchemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart.
    • Freiburg Institute for Advanced Studies (FRIAS), University of Freiburg, Albertstr. 19, 79104 Freiburg, Germany.
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Abstract

Macroscopic P3HT spherulitic crystals are grown in 25-nm-thick films via precise control of solvent swelling during polymer crystallization, which allow placement of transistor channels within single oriented crystal domains.Charge-transport anisotropy in the b–c (π-stacking & main chain) plane and the role of order–disorder grain boundaries are reported.

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