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Title: Selective knockout of gold active sites
Authors: Nowicka, Anna Maria
Hasse, Ulrich
Sievers, Gustav
Donten, Mikolaj
Stojek, Zbigniew
Fletcher, Stephen
Scholz, Fritz
Keywords: Electrochemistry
Issue Date: 2010
Publisher: © Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Citation: NOWICKA, A.M. ... et al, 2010. Selective knockout of gold active sites. Angewandte Chemie International Edition, 49 (17), pp.3006-3009.
Abstract: It has long been known that defects on a gold surface play an important role in electrocatalysis, but the precise mechanism has always been unclear. This work indicates that the defect sites provide partially filled d-orbitals that stabilize freeradical intermediates. Strong evidence for this hypothesis is that the sites can be selectively knocked out by treatment with OH• radicals generated by Fenton's reagent. The knockout effect is demonstrated using oxygen reduction, hydrogen reduction, and the redox electrochemistry of hydroquinone.
Description: This is the final manuscript version, made available by kind permission of Wiley-VCH Verlag GmbH & Co. KGaA. The definitive version is available at: http://doi.wiley.com/10.1002/anie.201000485
Version: Accepted for publication
DOI: 10.1002/anie.201000485
URI: https://dspace.lboro.ac.uk/2134/6067
ISSN: 1433-7851
Appears in Collections:Published Articles (Chemistry)

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