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Selective Formation and Efficient Photocurrent Generation of [70]Fullerene–Single-Walled Carbon Nanotube Composites

Authors

  • Tomokazu Umeyama,

    1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Noriyasu Tezuka,

    1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Shu Seki,

    Corresponding author
    1. Department of Applied Chemistry, Graduate School of Engineering, Osaka University PRESTO, Japan Science and Technology Agency 2-1, Yamadaoka, Suita, Osaka 565-0871 (Japan)
    • Department of Applied Chemistry, Graduate School of Engineering, Osaka University PRESTO, Japan Science and Technology Agency 2-1, Yamadaoka, Suita, Osaka 565-0871 (Japan).
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  • Yoshihiro Matano,

    1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Masayuki Nishi,

    1. Department of Material Chemistry, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Kazuyuki Hirao,

    1. Department of Material Chemistry, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Heli Lehtivuori,

    1. Department of Chemistry and Bioengineering, Tampere University of Technology P.O. Box 541, FIN-33101 Tampere (Finland)
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  • Nikolai V. Tkachenko,

    1. Department of Chemistry and Bioengineering, Tampere University of Technology P.O. Box 541, FIN-33101 Tampere (Finland)
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  • Helge Lemmetyinen,

    1. Department of Chemistry and Bioengineering, Tampere University of Technology P.O. Box 541, FIN-33101 Tampere (Finland)
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  • Yoshihide Nakao,

    1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Shigeyoshi Sakaki,

    1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
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  • Hiroshi Imahori

    Corresponding author
    1. Integrated Cell-Material Sciences (iCeMS), Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan)
    • Integrated Cell-Material Sciences (iCeMS), Kyoto University Nishikyo-ku, Kyoto 615-8510 (Japan).
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Abstract

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For the first time nanocarbon composites with C70 molecules aligned on the sidewall of single-walled carbon nanotubes (SWNTs) are demonstrated. The C70–SWNT photoelectrochemical devices exhibit efficient photocurrent generation properties that result from selective formation of a single composite film consisting of a SWNT network covered with C70 molecules and high electron mobility through the C70–SWNT network.

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