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Electronic Properties of Trifluoromethylated Corannulenes

Authors

  • Bernd M. Schmidt,

    1. Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34–36, 14195 Berlin (Germany)
    2. Research Center for Molecular Scale Nanoscience, Institute for Molecular Science, Myodaiji, Okazaki 444-8787 (Japan)
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  • Prof. Dr. Shu Seki,

    1. Department of Applied Chemistry, Osaka University, 2-1 Yamada-oka, Suita, Osaka, 565-0871 (Japan)
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  • Berit Topolinski,

    1. Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34–36, 14195 Berlin (Germany)
    2. Research Center for Molecular Scale Nanoscience, Institute for Molecular Science, Myodaiji, Okazaki 444-8787 (Japan)
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  • Dr. Kei Ohkubo,

    1. Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka, 565-0871 (Japan)
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  • Prof. Dr. Shunichi Fukuzumi,

    1. Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka, 565-0871 (Japan)
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  • Hidehiro Sakurai,

    1. Research Center for Molecular Scale Nanoscience, Institute for Molecular Science, Myodaiji, Okazaki 444-8787 (Japan)
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  • Prof. Dr. Dieter Lentz

    Corresponding author
    1. Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34–36, 14195 Berlin (Germany)
    • Freie Universität Berlin, Institut für Chemie und Biochemie, Fabeckstrasse 34–36, 14195 Berlin (Germany)
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  • This work was supported by the Deutsche Forschungsgemeinschaft (DFG) (GRK 1582). H.S. thanks MEXT and JST-PRESTO for financial support. We thank Simon Poremski for his contribution and Dr. Katrin Niedermann for valuable discussions.

Abstract

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With great stacking comes great conductivity: Trifluoromethylated corannulenes are unexpectedly strong electron acceptors in solution. Even a polycrystalline film of 1,2-(F3C)2-corannulene (top structure and curve in the plot) exhibits conductivity three orders of magnitude higher than that of pristine corannulene!

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