Issue 42, 2017

Non-linear sweep voltammetry of adsorbed species: theory and a method to determine formal potentials

Abstract

Recent literature revealed the hitherto unexploited opportunities offered by unconventional cyclic voltammetry with non-triangular potential sweeps. We here investigate the implications of such techniques for the equilibrium voltammetry of surface-bound analytes and expose rather counter-intuitive effects: if only slightly different potential waveforms are applied, distinct and characteristic features arise in the voltammogram that can be readily exploited for quantitative analysis. Our work comprises a theoretical analysis and suggests initially a simple method to determine formal potentials.

Graphical abstract: Non-linear sweep voltammetry of adsorbed species: theory and a method to determine formal potentials

Article information

Article type
Paper
Submitted
11 Jul 2017
Accepted
11 Oct 2017
First published
11 Oct 2017

Phys. Chem. Chem. Phys., 2017,19, 28820-28823

Non-linear sweep voltammetry of adsorbed species: theory and a method to determine formal potentials

E. Kätelhön and R. G. Compton, Phys. Chem. Chem. Phys., 2017, 19, 28820 DOI: 10.1039/C7CP04658H

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