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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la101752a
|2 doi
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|a eng
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| 100 |
1 |
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|a Boronat, Mercedes
|e verfasserin
|4 aut
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1 |
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|a Origin of the different activity and selectivity toward hydrogenation of single metal Au and Pt on TiO2 and bimetallic Au-Pt/TiO2 catalysts
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.02.2011
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|a Date Revised 26.10.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a To improve the activity of Au/TiO(2) catalysts toward hydrogenation without decreasing chemoselectivity, a number of isolated and supported Au, Pt, and Au-Pt nanoparticles have been investigated by means of density functional theory (DFT) calculations. H(2) dissociation on Pt and Au-Pt nanoparticles is considerably faster than that on Au, because H(2) adsorption on Pt atoms is dissociative and no activation barriers are involved. The high chemoselectivity of Au/TiO(2) catalysts does not exist in Pt/TiO(2) catalysts no matter how small the Pt particles are, but can be preserved in Au-Pt/TiO(2) catalysts if the Au/Pt ratio is high enough as to keep Pt atoms isolated and not at the active metal-support interface
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|a Journal Article
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|a Corma, Avelino
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 21 vom: 02. Nov., Seite 16607-14
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|x 1520-5827
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| 773 |
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|g volume:26
|g year:2010
|g number:21
|g day:02
|g month:11
|g pages:16607-14
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|u http://dx.doi.org/10.1021/la101752a
|3 Volltext
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