High energy states of gold and their importance in electrocatalytic processes at surfaces and interfaces

Burke, L.D., Ahern, A.J., & O'Mullane, A.P. (2002) High energy states of gold and their importance in electrocatalytic processes at surfaces and interfaces. Gold Bulletin, 35(1), pp. 3-10.

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The ability of metals to store or trap considerable amounts of energy, and thus exist in a non-equilibrium or metastable state, is very well known in metallurgy; however, such behaviour, which is intimately connected with the defect character of metals, has been largely ignored in noble metal surface electrochemistry. Techniques for generating unusually high energy surface states for gold, and the unusual voltammetric responses of such states, are outlined. The surprisingly high (and complex) electrocatalytic activity of gold in aqueous media is attributed to the presence of a range of such non-equilibrium states as the vital entities at active sites on conventional gold surfaces. The possible relevance of these ideas to account for the remarkable catalytic activity of oxide-supported gold microparticles is briefly outlined.

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27 citations in Web of Science®

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ID Code: 64267
Item Type: Journal Article
Refereed: Yes
Additional Information: Prior to commencement at QUT
DOI: 10.1007/BF03214831
ISSN: 2190-7579
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2002 Springer
Deposited On: 22 Nov 2013 01:34
Last Modified: 22 Nov 2013 01:34

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