Large amplitude ac voltammetry: Chief observables for a reversible reaction of free electroactive species

Publication date: Available online 25 June 2019Source: Journal of Electroanalytical ChemistryAuthor(s): D. Zouraris, A. KarantonisAbstractIn the present work, the chief observables, i.e. peak height, peak width and peak potential of the principal peaks, are determined for the case of large amplitude ac-voltammetry (LA-FTacV) of a reversible reaction of free electroactive species. The values of the chief observables are derived from a semi-analytic solution as well as from the solution of the full initial-boundary value problem. A condition under which the large amplitude ac-voltammogram is independent of scan rate, up to the fifth harmonic, is introduced. The dependence of the chief observables on the parameters of the system is shown.

Source: Journal of Electroanalytical Chemistry - June 25, 2019 Category: Chemistry Source Type: research