Issue 42, 2023

Elucidation of the electronic structures of thiolate-protected gold nanoclusters by electrochemical measurements

Abstract

Metal nanoclusters (NCs) with sizes of approximately 2 nm or less have different physical/chemical properties from those of the bulk metals owing to quantum size effects. Metal NCs, which can be size-controlled and heterometal doped at atomic accuracy, are expected to be the next generation of important materials, and new metal NCs are reported regularly. However, compared with conventional materials such as metal complexes and relatively large metal nanoparticles (>2 nm), these metal NCs are still underdeveloped in terms of evaluation and establishment of application methods. Electrochemical measurements are one of the most widely used methods for synthesis, application, and characterisation of metal NCs. This review summarizes the basic knowledge of the electrochemistry and experimental techniques, and provides examples of the reported electronic states of thiolate-protected gold NCs elucidated by electrochemical approaches. It is expected that this review will provide useful information for researchers starting to study metal NCs.

Graphical abstract: Elucidation of the electronic structures of thiolate-protected gold nanoclusters by electrochemical measurements

Article information

Article type
Perspective
Submitted
27 Jūn. 2023
Accepted
29 Aug. 2023
First published
08 Sept. 2023
This article is Open Access
Creative Commons BY license

Dalton Trans., 2023,52, 15152-15167

Elucidation of the electronic structures of thiolate-protected gold nanoclusters by electrochemical measurements

T. Kawawaki and Y. Negishi, Dalton Trans., 2023, 52, 15152 DOI: 10.1039/D3DT02005C

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