http://www.cnr.it/ontology/cnr/individuo/prodotto/ID304284
Au@TiO2 Core-Shell Nanostructures with High Thermal Stability (Articolo in rivista)
- Type
- Label
- Au@TiO2 Core-Shell Nanostructures with High Thermal Stability (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1007/s10562-014-1351-0 (literal)
- Alternative label
Chen, Chen; Shi, Mengxue; Cargnello, Matteo; Fornasiero, Paolo; Murray, Christopher B.; Gorte, Raymond J. (2014)
Au@TiO2 Core-Shell Nanostructures with High Thermal Stability
in Catalysis letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Chen, Chen; Shi, Mengxue; Cargnello, Matteo; Fornasiero, Paolo; Murray, Christopher B.; Gorte, Raymond J. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://link.springer.com/article/10.1007/s10562-014-1351-0?wt_mc=alerts.TOCjournals (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- University of Pennsylvania; University of Pennsylvania; University of Trieste; University of Pennsylvania, ICCOM-CNR (literal)
- Titolo
- Au@TiO2 Core-Shell Nanostructures with High Thermal Stability (literal)
- Abstract
- A catalyst system consisting of core-shell nanostructures with Au core and porous TiO2 shell was synthesized and characterized for room temperature CO oxidation. The core-shell structures were prepared by colloidal methods starting from pre-formed 3 nm Au particles in solution and then adsorbed on to high-surface area, functionalized hydrophobic Al2O3 support. The obtained Au@TiO2/Si-Al2O3 catalyst showed higher activity and thermal stability when compared to a conventional Au/TiO2 sample prepared by impregnation of the same Au particles on to commercial titania P25. The core-shell catalyst was able to maintain its activity and 3 nm Au particles size upon calcination up to 600 A degrees C, whereas the Au/TiO2 sample was found to sinter. Furthermore, it was found that the crystallization of TiO2 was suppressed in the core-shell structure, resulting in a thin layer of small TiO2 particles, which is favorable for the dispersion and thermal stability of Au nanoparticles. (literal)
- . (literal)
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