Electrochemical atomic force microscopy of two-dimensional trinuclear ruthenium clusters molecular assembly and dynamics under redox state control

Soichiro Yoshimoto; Jinnosuke Kato; Hiroki Sakamoto; Hironori Minamoto; Keita Daicho; Kazuki Takamura; Naoki Shimomoto; Masaaki Abe

doi:10.1039/D2NR01666D

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Electrochemical atomic force microscopy of two-dimensional trinuclear ruthenium clusters molecular assembly and dynamics under redox state control†

Soichiro Yoshimoto,

*^a Jinnosuke Kato,^b Hiroki Sakamoto,^c Hironori Minamoto,^b Keita Daicho,^d Kazuki Takamura,^d Naoki Shimomoto^d and Masaaki Abe

*^d

Author affiliations

* Corresponding authors

^a Institute of Industrial Nanomaterials, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
E-mail: so-yoshi@kumamoto-u.ac.jp

^b Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

^c Department of Applied Chemistry and Biochemistry, Faculty of Engineering Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

^d Graduate School of Science, University of Hyogo, 3-2-1, Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
E-mail: mabe@sci.u-hyogo.ac.jp

Abstract

Mixed-valence ruthenium trinuclear clusters containing dichloroacetates were synthesized, and the self-assembly of a single molecular adlayer composed of these clusters on a graphite surface was investigated by atomic force microscopy (AFM). AFM clearly revealed the dynamics of two-dimensional (2D) structure formation as well as the molecular characteristics of the adlayers at different electrochemical interfaces. The results verified that the design of metal complexes is important not only for redox chemistry but also for molecular assembly and nanoarchitecture construction.

This article is part of the themed collection: Design and function of materials nanoarchitectonics

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DOI: https://doi.org/10.1039/D2NR01666D
Article type: Communication
Submitted: 26 Mac 2022
Accepted: 09 Jun 2022
First published: 09 Jun 2022

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Nanoscale, 2022,14, 8929-8933

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Electrochemical atomic force microscopy of two-dimensional trinuclear ruthenium clusters molecular assembly and dynamics under redox state control

S. Yoshimoto, J. Kato, H. Sakamoto, H. Minamoto, K. Daicho, K. Takamura, N. Shimomoto and M. Abe, Nanoscale, 2022, 14, 8929 DOI: 10.1039/D2NR01666D

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Electrochemical atomic force microscopy of two-dimensional trinuclear ruthenium clusters molecular assembly and dynamics under redox state control†

Abstract

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Electrochemical atomic force microscopy of two-dimensional trinuclear ruthenium clusters molecular assembly and dynamics under redox state control

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