Surface Activation of Electrocatalysis at Oxide Electrodes. Concerted Electron−Proton Transfer

Dramatic rate enhancements are observed for the oxidation of phenols, including tyrosine, at indium−tin oxide electrodes modified by the addition of the electron-transfer relays [MII(bpy)2(4,4′-(HO)2P(O)CH2)2bpy)]2+ (M = Ru, Os) with clear evidence for the importance of proton-coupled electron trans...

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Bibliographic Details
Published in:Inorganic chemistry 2011-03, Vol.50 (6), p.2076-2078
Main Authors: Gagliardi, Christopher J, Jurss, Jonah W, Thorp, H. Holden, Meyer, Thomas J
Format: Article
Language:English
Subjects:
Catalysis
Electrochemistry
Electrodes
Electrons
Organometallic Compounds - chemistry
Oxides - chemistry
Protons
Surface Properties
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Summary:Dramatic rate enhancements are observed for the oxidation of phenols, including tyrosine, at indium−tin oxide electrodes modified by the addition of the electron-transfer relays [MII(bpy)2(4,4′-(HO)2P(O)CH2)2bpy)]2+ (M = Ru, Os) with clear evidence for the importance of proton-coupled electron transfer and concerted electron−proton transfer.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic102524f