[25a-1BC-1~11] 12.2 Characterization and Materials Physics

9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[25a-1BC-2] Electrochemical Scanning Tunneling Microscope Measurements of Self-assembled Monolayers using an Electrodeposited Gold Probe

〇(P)Yuzu Kobayashi^1,2, Yasuyuki Yokota¹, Yasufumi Takahashi^3,4, Jun Takeya⁵, Yousoo Kim^1,6 (1.RIKEN, 2.JSTPRESTO, 3.School of Engineering Nagoya Univ., 4.WPI NanoLSI Kanazawa Univ., 5.Graduate School of Frontier Sciences Univ. Tokyo, 6.Faculty of Engineering Univ. Tokyo)

Keywords:

Self-assemled monolayer,Electrochemistry,STM

In this study, probes for electrochemical scanning tunneling microscopy (electrochemical STM) were fabricated by a novel method of electrochemically depositing gold on a graphite microelectrode with a diameter of several hundred nanometer. Using this probe, electrochemical STM measurements of self-assembled monolayers of terphenylthiol on Au(111) were successfully performed. This method greatly improves the success rate of probe fabrication, which has been a 30-year problem in electrochemical STM, and is expected to advance the nano-scale measurement techniques of electrochemical interfaces.