The charge transfer kinetics of the oxidation of silver and nickel nanoparticles via particle-electrode impact electrochemistry

Y.-G. Zhou; N.V. Rees; R.G. Compton; B. Haddou

doi:10.1039/c2cp42940c

The charge transfer kinetics of the oxidation of silver and nickel nanoparticles via particle-electrode impact electrochemistry

Y.-G. Zhou, N.V. Rees, R.G. Compton, B. Haddou

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

The electro-oxidation of silver and nickel nanoparticles in aqueous solution was studied via their collisions with a carbon electrode. The average charge passed per impact varies with electrode potential and was analysed to determine that AgNPs display an electrochemically fast ("reversible") one-electron oxidation, whilst the NiNPs exhibit slow ("irreversible") 2-electron kinetics. Kinetic parameters are reported.

Original language	English
Pages (from-to)	14354-14357
Number of pages	4
Journal	Physical Chemistry Chemical Physics
Volume	14
Issue number	41
Early online date	10 Sept 2012
DOIs	https://doi.org/10.1039/c2cp42940c
Publication status	Published - 7 Nov 2012

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10.1039/c2cp42940c

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AB - The electro-oxidation of silver and nickel nanoparticles in aqueous solution was studied via their collisions with a carbon electrode. The average charge passed per impact varies with electrode potential and was analysed to determine that AgNPs display an electrochemically fast ("reversible") one-electron oxidation, whilst the NiNPs exhibit slow ("irreversible") 2-electron kinetics. Kinetic parameters are reported.

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The charge transfer kinetics of the oxidation of silver and nickel nanoparticles via particle-electrode impact electrochemistry

Abstract

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