期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 15, 期 29, 页码 12048-12055出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp50519g
关键词
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资金
- Spanish MICINN [MAT2009-14528-C02-01]
- CONSOLIDER Ingenio MULTICAT
- Ministry of Science and Innovation of Spain/FEDER Program of the EU [MAT2008-00889-NAN, CSD2009-00013]
Pt impregnated on a Sn-beta catalyst results in a very promising catalyst for the selective hydrogenation of alpha,beta-unsaturated aldehydes, compared to the PtSn co-impregnated beta catalysts. Framework tin ions in the Sn-beta sample stabilize the nucleation of platinum nanoparticles inside the zeolite channel. These Pt-0-Sn4+ sites, which are only observed in the Pt/Sn-beta catalyst, have been shown to strongly activate the carbonyl group enhancing the hydrogenation rate of the C=O bond.
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