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A view of surface science since 1960: Oxygen states at metal surfaces

Davies, Philip Rosser and Roberts, Meirion Wyn 2009. A view of surface science since 1960: Oxygen states at metal surfaces. Catalysis Today 145 (1-2) , pp. 2-9. 10.1016/j.cattod.2008.06.001

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The article describes how the application of experimental methods developed over the last 40 years (work function, photoemission, photoelectron spectroscopy and scanning tunnelling microscopy) enables our understanding of oxygen chemisorption to progress in a step-wise manner, with STM providing the ultimate atom-resolved evidence for the dynamics involved. Different oxygen states exhibit distinct reactivities and provide a stimulus for the design of catalysts with specific activities in oxidation catalysis. There is also evidence accruing that disordered oxygen states are in general more active in dehydrogenation reactions than the ordered states, with for example ammonia being `oxidised' to nitrogen adatoms at Cu(1 1 0) at cryogenic temperatures.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Catalysis, Nucleation, Oxygen state, Surface science, Transient
Publisher: Elsevier
ISSN: 0920-5861
Last Modified: 17 Jun 2017 03:03

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