Quantitative voltammetry in weakly supported media: effects of the applied overpotential and supporting electrolyte concentration on the one electron oxidation of ferrocene in acetonitrile

J.G. Limon-Petersen, I. Streeter, N.V. Rees, R.G. Compton

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33 Citations (Scopus)

Abstract

Chronoamperometry is reported on the one electron oxidation of 3 mM ferrocene in acetonitrile using a 300 (± 5 μm radius gold hemisphere electrode. Varying concentrations of supporting electrolyte (tetra- nbutylammonium perchlorate) are used ranging from the fully supported (100 mM) to the almost completely unsupported (0.1 mM). The response is simulated using the Nernst-Plank-Poisson system of equations and excellent agreement between theory and experiment noted, so vindicating a recent theory (J. Phys. Chem. C, 2008, 112, 13716) for voltammetry in weakly supported media.
Original languageEnglish
Pages (from-to)333-337
Number of pages5
JournalJournal of Physical Chemistry C
Volume113
Issue number1
DOIs
Publication statusPublished - 8 Jan 2009

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