Issue 7, 2024

Sixty years of electrochemical optical spectroscopy: a retrospective

Abstract

Sixty years ago, Reddy, Devanatan, and Bockris performed the first in situ electrochemical ellipsometry experiment, which ushered in a new era in the study of electrochemistry, using optical spectroscopy. After six decades of development, electrochemical optical spectroscopy, particularly electrochemical vibrational spectroscopy, has advanced from a phase of immaturity with few methods and limited applications to a phase of maturity with excellent substrate generality and significantly improved resolutions. Here, we divide the development of electrochemical optical spectroscopy into four phases, focusing on the proof-of-concept of different electrochemical optical spectroscopy studies, the emergence of plasmonic enhancement-based electrochemical optical spectroscopic (in particular vibrational spectroscopic) methods, the realization of electrochemical vibrational spectroscopy on well-defined surfaces, and the efforts to achieve operando spectroelectrochemical applications. Finally, we discuss the future development trend of electrochemical optical spectroscopy, as well as examples of new methodology and research paradigms for operando spectroelectrochemistry.

Graphical abstract: Sixty years of electrochemical optical spectroscopy: a retrospective

Article information

Article type
Review Article
Submitted
02 9 2023
First published
29 2 2024
This article is Open Access
Creative Commons BY license

Chem. Soc. Rev., 2024,53, 3579-3605

Sixty years of electrochemical optical spectroscopy: a retrospective

C. Li and Z. Tian, Chem. Soc. Rev., 2024, 53, 3579 DOI: 10.1039/D3CS00734K

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