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Diagnostic Criteria for the Characterization of Electrode Reactions with Chemically Coupled Reactions Preceding the Electron Transfer by Cyclic Square Wave Voltammetry
Author(s) -
Helfrick John C.,
Mann Megan A.,
Bottomley Lawrence A.
Publication year - 2016
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201501030
Subject(s) - cyclic voltammetry , electron transfer , electrode , voltammetry , chemistry , reaction mechanism , analytical chemistry (journal) , chemical reaction , electrochemistry , chemical physics , organic chemistry , catalysis
Theory for cyclic square wave voltammetry of electrode reactions with chemical reactions preceding the electron transfer is presented. Theoretical voltammograms were calculated following systematic variation of empirical parameters to assess their impact on the shape of the voltammogram. From the trends obtained, diagnostic criteria for this mechanism were deduced. When properly applied, these criteria will enable non‐experts in voltammetry to assign the electrode reaction mechanism and accurately measure reaction kinetics.