Gold Knockout Published.pdf (243.54 kB)
Selective knockout of gold active sites
journal contribution
posted on 2010-04-08, 14:06 authored by Anna Maria Nowicka, Ulrich Hasse, Gustav Sievers, Mikolaj Donten, Zbigniew Stojek, Stephen Fletcher, Fritz ScholzIt 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.
History
School
- Science
Department
- Chemistry
Citation
NOWICKA, A.M. ... et al, 2010. Selective knockout of gold active sites. Angewandte Chemie International Edition, 49 (17), pp.3006-3009.Publisher
© Wiley-VCH Verlag GmbH & Co. KGaA, WeinheimVersion
- AM (Accepted Manuscript)
Publication date
2010Notes
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.201000485ISSN
1433-7851Language
- en