Activation of oxygen at metal surfaces

Carley, Albert Frederick, Davies, Philip Rosser ORCID: https://orcid.org/0000-0003-4394-766X and Roberts, Meirion Wyn 2005. Activation of oxygen at metal surfaces. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 363 (1829) , pp. 829-846. 10.1098/rsta.2004.1544

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Abstract

Oxygen chemisorption at metal surfaces has been shown through a combination of scanning tunnelling microscopy and photoelectron spectroscopy to involve transient states that provide low energy pathways for a wide range of surface reactions including the catalytic oxidation of ammonia and hydrocarbons. The kinetically ‘hot’ transients are disordered and mobile, become unreactive when they form ordered structures, and are characterized by non-classical kinetic behaviour. The role of surface additives (caesium) in controlling oxygen structures and the implications of oxygen transients for theory and reaction mechanisms in applied catalysis are considered.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	ammonia; catalysis; oxidation; carbon dioxide; copper; hydrocarbons
Publisher:	The Royal Society
ISSN:	1364-503X
Last Modified:	18 Oct 2022 12:35
URI:	https://orca.cardiff.ac.uk/id/eprint/10376

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