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Cyclic Voltammetry Modeling of Proton Transport Effects on Redox Charge Storage in Conductive Material. Application to a TiO2 Mesoporous Film

Abstract

Cyclic voltammetry is a particularly useful tool to characterize charge accumulation in conductive materials. A simple model is presented to evaluate proton transport effects on charge storage in conductive material associated to a redox process coupled with proton insertion in the bulk material from an aqueous buffered solution, a situation frequently encountered in metal oxide material. The interplay between proton transport inside and outside the material is described using a formulation of the problem through introduction of dimensionless variables that allows defining the minimum number of parameters governing the cyclic voltammetry response with consideration of a simple description of the system geometry. This approach is illustrated by analysis of proton insertion in a mesoporous TiO2 film.

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Publication details

The article was received on 30 Apr 2017, accepted on 15 Jun 2017 and first published on 16 Jun 2017


Article type: Paper
DOI: 10.1039/C7CP02810E
Citation: Phys. Chem. Chem. Phys., 2017, Accepted Manuscript
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    Cyclic Voltammetry Modeling of Proton Transport Effects on Redox Charge Storage in Conductive Material. Application to a TiO2 Mesoporous Film

    Y. Kim, V. Balland, B. Limoges and C. Costentin, Phys. Chem. Chem. Phys., 2017, Accepted Manuscript , DOI: 10.1039/C7CP02810E

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