Issue 41, 2012
From the journal:

Physical Chemistry Chemical Physics

The charge transfer kinetics of the oxidation of silver and nickel nanoparticlesvia particle–electrode impact electrochemistry

Yi-Ge Zhou,a   Baptiste Haddou,b   Neil V. Reesa  and  Richard G. Compton*a  

* Corresponding authors

a Department of Chemistry, Physical & Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford, UK
E-mail: richard.compton@chem.ox.ac.uk
Fax: +44 (0)1865 275410
Tel: +44 (0)1865 275413

b École Normale Supérieure, Department of Chemistry, 24 rue Lhomond, 75005 Paris, France

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.

Graphical abstract: The charge transfer kinetics of the oxidation of silver and nickel nanoparticles via particle–electrode impact electrochemistry

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Article information

DOI
https://doi.org/10.1039/C2CP42940C
Article type
Communication
Submitted
21 Aug 2012
Accepted
10 Sep 2012
First published
10 Sep 2012

Phys. Chem. Chem. Phys., 2012,14, 14354-14357

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

Y. Zhou, B. Haddou, N. V. Rees and R. G. Compton, Phys. Chem. Chem. Phys., 2012, 14, 14354 DOI: 10.1039/C2CP42940C

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