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Electroanalytical study of dopamine oxidation on carbon electrodes: from the macro- to the micro-scale

Abstract:
The oxidation of dopamine in strongly acidic (pH = 0) solution is investigated using microdisc, microcylinder and macro-electrodes together with a range of voltage scan rates. Kinetic and mechanistic analysis over the full range of mass transport conditions show a behaviour consistent with an ECE process with a fast chemical step and in which the second electron transfer is thermodynamically more favourable than the first step. Accordingly the reaction effectively behaves as an EE process.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1039/c7cp07450f

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
Oxford college:
Pembroke College
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
Oxford college:
St Johns College
ORCID:
0000-0001-9841-5041
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Physical Chemistry Chemical Physics Journal website
Volume:
20
Issue:
1
Pages:
148-157
Publication date:
2017-12-04
Acceptance date:
2017-11-22
DOI:
EISSN:
1463-9084
ISSN:
1463-9076
Pubs id:
pubs:810862
URN:
uri:fc059501-248a-411d-95c1-e1aa793ac790
UUID:
uuid:fc059501-248a-411d-95c1-e1aa793ac790
Local pid:
pubs:810862
Language:
English

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