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Method for determination of heterogeneous rate constants at carbon-fibre microelectrodes using multi-ac-voltammetry
Umeå University, Faculty of Science and Technology, Chemistry.
2000 (English)In: Electrochemistry Communications, Vol. 2, no 11, 791-5 p.Article in journal (Refereed) Published
Abstract [en]

A state-of-the-art FFT-instrument recently described in this journal (which measures the impedance at each dc potential applied to a working electrode) was shown to perform with excellent precision in a kinetic study at a carbon fibre microelectrode. A constant phase element (CPE) was used in a model in order to correct for double layer effects arising at the carbon fibre microelectrode (11 μm). This simple model in combination with the data collected by the FFT-instrument were then used in order to determine the heterogeneous rate constant for a well-defined red/ox couple. Good agreement with previously published values was obtained.

Place, publisher, year, edition, pages
2000. Vol. 2, no 11, 791-5 p.
URN: urn:nbn:se:umu:diva-8540DOI: doi:10.1016/S1388-2481(00)00123-5OAI: diva2:148211
Available from: 2008-01-28 Created: 2008-01-28 Last updated: 2011-01-14Bibliographically approved

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