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Edge plane pyrolytic graphite electrode covalently modified with 2-anthraquinonyl groups: theory and experiment.

Abstract:

An edge plane pyrolitic graphite (EPPG) electrode was modified by electrochemical reduction of anthraquinone-2-diazonium tetrafluoroborate (AQ2-N(2)(+)BF(4)(-)), giving an EPPG-AQ2-modified electrode of a surface coverage below a monolayer. Cyclic voltammograms simulated using Marcus-Hush theory for 2e(-) process assuming a uniform surface gave unrealistically low values of reorganisation energies, λ, for both electron transfer steps. Subsequently, two models of surface inhomogeneity based on...

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Publication status:
Published

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Publisher copy:
10.1002/cphc.201100424

Authors


Henstridge, MC More by this author
Batchelor-McAuley, C More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Journal:
Chemphyschem : a European journal of chemical physics and physical chemistry
Volume:
12
Issue:
15
Pages:
2806-2815
Publication date:
2011-10-05
DOI:
EISSN:
1439-7641
ISSN:
1439-4235
URN:
uuid:2fc0eca1-06bc-4a09-be32-817bdd52fb37
Source identifiers:
193279
Local pid:
pubs:193279

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