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Advanced Materials

Properties of Thiol End-Capped and Iodine-Doped Sexithiophene Disulfide Semiconducting Polymers Bridging Nanogap Gold Electrodes

Authors

  • Wei Huang,

    Corresponding author
    1. State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093 (P.R. China)
    2. Research Center for Molecular-Scale Nanoscience, Institute for Molecular Science, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787 (Japan)
    • State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093 (P.R. China)
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  • Hirofumi Tanaka,

    1. Research Center for Molecular-Scale Nanoscience, Institute for Molecular Science, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787 (Japan)
    2. Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043 (Japan)
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  • Takuji Ogawa,

    Corresponding author
    1. Research Center for Molecular-Scale Nanoscience, Institute for Molecular Science, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787 (Japan)
    2. Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043 (Japan)
    • Research Center for Molecular-Scale Nanoscience, Institute for Molecular Science, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787 (Japan).
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  • Xiao-Zeng You

    1. State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093 (P.R. China)
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Abstract

Doped photoresponsive nanodevices. A thiol end-capped and iodine-doped sexithiophene disulfide polymer is used to bridge nanogap gold electrodes via an in-situ oxidation, doping, and self-assembly method. Temperature-dependent semiconducting and photoresponsive nanodevices are formed and Coulomb-blockade phenomena are observed in these organic molecule-based nanodevices.

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