Mesoporous Multicomponent Nanocomposite Colloidal Spheres: Ideal High‐Temperature Stable Model Catalysts

Mesoporous Multicomponent Nanocomposite Colloidal Spheres: Ideal High‐Temperature Stable Model Catalysts

A caged catalyst: Noble‐metal and oxide nanoparticles can be assembled to obtain high‐temperature‐stable mesoporous multicomponent nanocomposite colloidal spheres (MMNCSs; see picture). CO oxidation and cyclohexene hydroconversion were selected to examine the catalytic activity, selectivity, and the...

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Veröffentlicht in:Angewandte Chemie International Edition 2011-04, Vol.50 (16), p.3725-3729
Hauptverfasser: Chen, Chen, Nan, Caiyun, Wang, Dingsheng, Su, Qiao, Duan, Haohong, Liu, Xiangwen, Zhang, Lesheng, Chu, Deren, Song, Weiguo, Peng, Qing, Li, Yadong
Format: Artikel
Sprache:eng
Schlagworte:
Carbon Monoxide - chemistry
Catalysis
Colloids - chemistry
Cyclohexenes - chemistry
heterogeneous catalysis
mesoporous materials
Metal Nanoparticles - chemistry
Metals - chemistry
nanocomposites
Nanocomposites - chemistry
Nanocomposites - ultrastructure
nanoparticles
Oxidation-Reduction
Oxides - chemistry
Porosity
Temperature
thermal stability
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Zusammenfassung:A caged catalyst: Noble‐metal and oxide nanoparticles can be assembled to obtain high‐temperature‐stable mesoporous multicomponent nanocomposite colloidal spheres (MMNCSs; see picture). CO oxidation and cyclohexene hydroconversion were selected to examine the catalytic activity, selectivity, and thermal stability of these MMNCSs. The exhibited catalytic properties suggest that the reported MMNCSs are ideal model catalysts for high‐temperature reactions.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201007229