Self-Induced Convection at Microelectrodes via Electroosmosis and Its Influence on Impact Electrochemistry

Taghi Moazzenzade, Xiaojun Yang, Luc Walterbos, Jurriaan Huskens, Christophe Renault, Serge G. Lemay*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
11 Downloads (Pure)

Abstract

Faradaic reactions at low supporting electrolyte concentrations induce convection via electroosmotic flows. Here we combine finite-element simulations and electrochemical measurements on microparticles at ultramicroelectrodes to explore this effect. We show that convection becomes the dominant form of mass transport for experiments at low salt concentrations, violating the common assumption that convection can be neglected.

Original languageEnglish
Pages (from-to)17908-17912
Number of pages5
JournalJournal of the American Chemical Society
Volume142
Issue number42
DOIs
Publication statusPublished - 21 Oct 2020

Keywords

  • UT-Hybrid-D

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