GROWTH, MORPHOLOGY, INTERFACIAL EFFECTS AND CATALYTIC PROPERTIES OF AuONTiO2

F. Cosandey and T. E. Madey
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F. Cosandey: Department of Ceramic and Materials Engineering, Rutgers University, Piscataway, NJ 08854-8065, USA
T. E. Madey: Department of Physics and Astronomy, Laboratory for Surface Modification, Rutgers University, Piscataway, NJ 08854-8019, USA

Surface Review and Letters (SRL), 2001, vol. 08, issue 01n02, 73-93

Abstract: We survey recent studies and present new data on the growth, interactions, structure and chemistry of gold deposited onTiO2(110)surfaces. The noble metal Au onTiO2(110)is a model system for weak interaction of a metal with an oxide substrate; it is also of interest because Au onTiO2has unusually high activity as a catalyst for CO oxidation at room temperature. In this review, we present results on the growth of ultrathin films of Au onTiO2(110), as well as the morphology, interface formation, epitaxy, structure and electronic properties of Au onTiO2single crystal and planar films. The results are compared to studies of Au on high-surface-areaTiO2catalysts in an attempt to bridge the gap between surface science experiments and the high pressure conditions of catalyst operation.

Date: 2001
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DOI: 10.1142/S0218625X01000884

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