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Gold Catalysis: Particle Size or Promoting Oxide Morphology?

Published online by Cambridge University Press:  25 July 2011

László Guczi ,
Andrea Beck ,
Tímea Benkó  and
Zoltán Pászti
László Guczi
Affiliation:
Department of Surface Chemistry and Catalysis, Institute of Isotopes, Hungarian Academy of Sciences, P. O. box 77, H-1525 Budapest, Hungary Institute of Nanochemistry and Catalysis, Chemical Research Center, Hungarian Academy of Sciences, P. O. Box 17, H-1525 Budapest, Hungary
Andrea Beck
Affiliation:
Department of Surface Chemistry and Catalysis, Institute of Isotopes, Hungarian Academy of Sciences, P. O. box 77, H-1525 Budapest, Hungary
Tímea Benkó
Affiliation:
Department of Surface Chemistry and Catalysis, Institute of Isotopes, Hungarian Academy of Sciences, P. O. box 77, H-1525 Budapest, Hungary
Zoltán Pászti
Affiliation:
Institute of Nanochemistry and Catalysis, Chemical Research Center, Hungarian Academy of Sciences, P. O. Box 17, H-1525 Budapest, Hungary
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Abstract

Based on results taken from our own experience and the general literature, in the present contribution issues related to the importance of the particle size and morphology in gold catalysis are considered. Although in reactions of small molecules like carbon monoxide nanosized or otherwise nanostructured gold surfaces are the most active catalysts, especially if forming interface with certain oxides, it turns out that in some cases - independently of the interface - the key issue is the available size of extended gold surface dictating the reaction rate. This dilemma is explored in the paper.

Keywords

Ausurface chemistryreactivity
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1351: Symposium FF – Surfaces and Nanomaterials for Catalysis through In-Situ or Ex-Situ Studies , 2011 , mrss11-1351-ff13-02
Copyright
Copyright © Materials Research Society 2011

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References

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