ChemInform Abstract: Aqueous Oxidation of Alcohols Catalyzed by Recoverable Iron Oxide Nanoparticles Supported on Aluminosilicates.

Rajabi, Fatemeh; Pineda, Antonio; Naserian, Sareh; Balu, Alina M.; Luque, Rafael; Romero, Antonio A.

doi:10.1002/chin.201336032

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“…1,2 However, aggregation of MNPs is unavoidable because of high surface energies and strong van der Waals interactions, which would lead to low catalytic activity and poor reusability of MNPs. 3 To overcome this issue, various porous and nonporous supports including γ-Al 2 O 3 , 4 silica, 5 ceria, 6 boehmite, 7 aluminosilicates, 8 zeolites, 9 and polymeric materials 10 have been utilized. Generally, the support prevents the agglomeration of MNPs and obviously provides a platform for MNPs to have a much larger number of active atoms at the surface.…”

Section: Introductionmentioning

confidence: 99%

Utilization of Human Hair as a Synergistic Support for Ag, Au, Cu, Ni, and Ru Nanoparticles: Application in Catalysis

Gopiraman

Deng

Zhang

et al. 2017

Ind. Eng. Chem. Res.

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Human hair powder (HHP) after chemical treatment (e-HHP) has been successfully utilized as a unique catalyst support for immobilization of metal nanoparticles (MNPs). Ag, Au, Cu, Ni, and Ru NPs were used to prepare five different nanocatalysts (MNPs/e-HHP). High-resolution transmission electron microscopy results confirmed the excellent attachment of ultrafine MNPs on the surface of e-HHP. Actual loading of metal in MNPs/e-HHP was determined by energy-dispersive spectroscopy and X-ray photoelectron spectroscopy analyses. The zero-valent state of MNPs in MNPs/e-HHP and a very strong interaction between MNPs and e-HHP were also proven. The obtained AgNPs/e-HHP, AuNPs/e-HHP, CuNPs/e-HHP, NiNPs/e-HHP, and RuNPs/e-HHP catalysts were employed for the self-coupling of amines, N-oxidation of tertiary amines, aza-Michael reaction, imines synthesis, and oxidation of alcohols, respectively. Reaction conditions were optimized, and the scope of the catalytic systems was extended. The merit of the MNPs/e-HHP materials is shown to be the superior catalytic activity. Advantages, shortcomings, and future scope of the MNPs/e-HHP system are also highlighted.

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Section: Introductionmentioning

confidence: 99%

Utilization of Human Hair as a Synergistic Support for Ag, Au, Cu, Ni, and Ru Nanoparticles: Application in Catalysis

Gopiraman

Deng

Zhang

et al. 2017

Ind. Eng. Chem. Res.

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ChemInform Abstract: Aqueous Oxidation of Alcohols Catalyzed by Recoverable Iron Oxide Nanoparticles Supported on Aluminosilicates.

Abstract: PINEDA, A.; NASERIAN, S.; BALU*, A. M.; LUQUE, R.; ROMERO, A. A.; Green Chem. 15 (2013) 5, 1232-1237, http://dx.

Cited by 1 publication

References 1 publication

Utilization of Human Hair as a Synergistic Support for Ag, Au, Cu, Ni, and Ru Nanoparticles: Application in Catalysis

Utilization of Human Hair as a Synergistic Support for Ag, Au, Cu, Ni, and Ru Nanoparticles: Application in Catalysis

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