Reductive dimerization mechanisms of some streptocyanine dyes

Cyclic voltammetric studies of streptocyanine dyes were carried out on a glassy carbon electrode. For dye electroreduction, logarithmic analysis of the convoluted current indicates an EC2 mechanism with dimerization following electron transfer. Relevant kinetic and thermodynamic values are reported.

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Bibliographic Details
Published in:Electrochimica acta 2014-06, Vol.132, p.423-433
Main Authors: André-Barrès, Christiane, Najjar, Fadia, Maether, Marie-Pierre, Payrastre, Corinne, Winterton, Peter, Tzedakis, Theo
Format: Article
Language:English
Subjects:
Chemical and Process Engineering
Chemical engineering
Chemical Sciences
convoluted current
cyclic voltammetry
Dimerization
dye
Dyes
Electrodes
Electron transfer
Electrowinning
Engineering Sciences
Glassy carbon
Streptocyanine
Thermodynamics
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Description
Summary:Cyclic voltammetric studies of streptocyanine dyes were carried out on a glassy carbon electrode. For dye electroreduction, logarithmic analysis of the convoluted current indicates an EC2 mechanism with dimerization following electron transfer. Relevant kinetic and thermodynamic values are reported.
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2014.04.023