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A Comparison of Electron Transfer Kinetics of Three Common Carbon Electrode Surfaces in Acetonitrile and in Room Temperature Ionic Liquid 1-Butyl-3-Methylimidiazonium Hexafluorophosphate: Correlation to Surface Structure and the Limit of the Diffusion Domain Approximation

Abstract:

We report the comparison of electron transfer kinetic parameters of the ferrocene redox couple in both acetonitrile and in room temperature ionic liquid (RTIL) 1-butyl-3-methylimidiazonium hexafluorophosphate ([C4mim] [PF6]), using edge plane pyrolytic graphite (EPPG), basal plane pyrolytic graphite (BPPG) and glassy carbon (GC) electrodes. Each electrode surface was characterized using SEM and AFM and the surface morphology was analyzed in terms of surface heterogeneity including the distrib...

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Publication status:
Published

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Publisher copy:
10.1002/elan.200900399

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
ELECTROANALYSIS
Volume:
22
Issue:
3
Pages:
269-276
Publication date:
2010-02-05
DOI:
EISSN:
1521-4109
ISSN:
1040-0397
URN:
uuid:0b66c204-71e6-45b0-8898-00fe9511f35a
Source identifiers:
49016
Local pid:
pubs:49016

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