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Clay-Modified Electrodes: A Review

Published online by Cambridge University Press:  02 April 2024

Alanah Fitch
Alanah Fitch*
Affiliation:
Department of Chemistry, Loyola University of Chicago, Chicago, Illinois 60626
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Abstract

Clay-modified electrode research indicates that adsorbed complexes are electroactive if the adsorption sites are clay edges. Interlayer adsorbed complexes may be electroactive if a charge shuttle is added or if interlayer swelling is large. Conductivity of the film towards anionic species depends upon the swelling of the clay, which depends on the electrolyte concentration and speciation. The diffusion coefficients measured by electrochemical experiments agree well with alternative measurements.

Keywords

AdsorptionClay-modified electrodeConductivityDiffusionElectrochemistry
Type
Research Article
Information
Clays and Clay Minerals , Volume 38 , Issue 4 , August 1990 , pp. 391 - 400
Copyright
Copyright © 1990, The Clay Minerals Society

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