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

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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Veröffentlicht in:Inorg. Chem 2011-03, Vol.50 (6), p.2076-2078
Hauptverfasser: Gagliardi, Christopher J, Jurss, Jonah W, Thorp, H. Holden, Meyer, Thomas J
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
catalysis (heterogeneous)
catalysis (homogeneous)
charge transport
Electrochemistry
Electrodes
electrodes - solar
Electrons
hydrogen and fuel cells
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
materials and chemistry by design
Organometallic Compounds - chemistry
Oxides - chemistry
photosynthesis (natural and artificial)
Protons
solar (fuels)
solar (photovoltaic)
Surface Properties
synthesis (novel materials)
synthesis (self-assembly)
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Zusammenfassung: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