Au–Pt nanoparticles in amine functionalized MCM-41: Catalytic evaluation in hydrogenation reactions

Nano-sized Au–Pt nanoparticles (Au–Pt-bi-MNPs) have been synthesized by the simultaneous reduction of HAuCl4 and HPtCl6 by NaBH4 inside the channels of amine functionalized Si-MCM-41 (NH2–Si-MCM-41) at ambient conditions. These materials were characterized using chemical analysis, UV–vis, XPS, XRD,...

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Bibliographic Details
Published inCatalysis communications Vol. 8; no. 3; pp. 629 - 634
Main Authors Joseph, Trissa, Vijay Kumar, K., Ramaswamy, A.V., Halligudi, S.B.
Format Journal Article
LanguageEnglish
Published AMSTERDAM Elsevier B.V 01.03.2007
Elsevier
Subjects
Amine-functionalized MCM-41
Au–Pt nanoparticles
Catalytic hydrogenation
Chemistry
Chemistry, Physical
Physical Sciences
Science & Technology
Au–Pt nanoparticles
Amine-functionalized MCM-41
Catalytic hydrogenation
GOLD
catalytic hydrogenation
amine-functionalized MCM-41
METALS
Au-Pt nanoparticles
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Summary:Nano-sized Au–Pt nanoparticles (Au–Pt-bi-MNPs) have been synthesized by the simultaneous reduction of HAuCl4 and HPtCl6 by NaBH4 inside the channels of amine functionalized Si-MCM-41 (NH2–Si-MCM-41) at ambient conditions. These materials were characterized using chemical analysis, UV–vis, XPS, XRD, FT-IR, Surface area and TEM analysis. The size of these alloyed nanoparticles (bi-MNPs) were found in the range of 2–4nm. These nanoparticles were evaluated to study their catalytic activities towards hydrogenation of aromatic nitro compounds. The catalytic activity of the Au–Pt bi-MNPs was found to be superior to monometallic Au nanoparticles.
ISSN:1566-7367
1873-3905
DOI:10.1016/j.catcom.2006.03.004