Coupling rotating disk electrodes and surface-enhanced Raman spectroscopy for in situ electrochemistry studies

Zhiming Wang; Weikang Wang; Siyao Liu; Nianjun Yang; Guohua Zhao

Electrochemistry Communications (Mar 2021)

Coupling rotating disk electrodes and surface-enhanced Raman spectroscopy for in situ electrochemistry studies

Zhiming Wang,
Weikang Wang,
Siyao Liu,
Nianjun Yang,
Guohua Zhao

Affiliations

Zhiming Wang: School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, Shanghai 200092, China
Weikang Wang: School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, Shanghai 200092, China; Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
Siyao Liu: School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, Shanghai 200092, China
Nianjun Yang: Institute of Materials Engineering, University of Siegen, Siegen 57076, Germany; Corresponding authors.
Guohua Zhao: School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, Shanghai 200092, China; Corresponding authors.

Journal volume & issue: Vol. 124
p. 106928

Abstract

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In this work, rotating disk electrodes (RDEs) and surface-enhanced Raman spectroscopy (SERS) have been integrated and used to reveal the mechanism of electrochemical reduction of 4-nitrothiophenol. The electrochemistry of 4-nitrothiophenol was studied in situ on Au@Ag nanoparticles at different potentials using SERS. These spectra together with the RDE results clearly reveal the reduction mechanism of 4-nitrothiophenol to 4-aminothiophenol. This in situ technique offers a new approach in modern electrochemistry that can be used to clarify the reaction mechanisms of different nitrobenzenes at a molecular level.

Published in Electrochemistry Communications

ISSN: 1388-2481 (Print); 1873-1902 (Online)
Publisher: Elsevier
Country of publisher: United States
LCC subjects: Technology: Chemical technology: Industrial electrochemistry; Science: Chemistry
Website: https://www.journals.elsevier.com/electrochemistry-communications

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