Photochemical Reaction Using Aminobenzenethiol Single Molecular Junction

DOI Web Site 2 Citations 33 References Open Access
  • Matsuzawa Y.
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Kaneko S.
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Fujii S.
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Nishino T.
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Kiguchi M.
    Department of Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Tsukagoshi K.
    WPI Center for Materials Nanoarchitechtonics (WPI-MANA), National Institute for Materials Science

Abstract

<p>Photo-induced chemical reaction of p-aminobenzenthiol (ABT) was investigated using the lithographically fabricated mechanically controllable break junction (MCBJ). The ABT single-molecule junction was formed at the nanogap of the MCBJ and the formation was confirmed by the electronic transport measurement including current versus bias voltage characteristics. Light irradiation at the nanogap revealed that ABT molecules were subject to photo-induced dimerization, which was confirmed by measuring SERS spectrum. In addition, we tuned the gap size using MCBJ technique and demonstrated that the photo-induced dimerization was absent for the molecules at the wide gap. [DOI: 10.1380/ejssnt.2018.137]</p>

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