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Pd-coated Ni nanoparticles by the polyol method: an efficient hydrogenation catalyst

Nagaveni, K and Gayen, Arup and Subbanna, GN and Hegde, MS (2002) Pd-coated Ni nanoparticles by the polyol method: an efficient hydrogenation catalyst. In: Journal of Materials Chemistry, 12 (10). pp. 3147-3151.

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Abstract

Pd-coated Ni nanoparticles of 50 +/- 15 nm size are prepared by the polyol method and characterized by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy and thermogravimetry analysis. Surface coverage of Pd on Ni particles is less than a monolayer for 0.5 and 1 at% Pd-coated Ni. Quantitative conversion of nitrobenzene to aniline is observed over these Pd-coated Ni particles at 27degreesC under one atmospheric pressure of hydrogen. 0.5 and 1 at% Pd-coated Ni exhibits 10 times greater activity than that of typical colloidal palladium and platinum catalysts and 2.5 times higher activity than commercial 5 wt% Pd/C.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Royal Society of Chemistry.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 21 Jul 2011 09:37
Last Modified: 21 Jul 2011 09:37
URI: http://eprints.iisc.ernet.in/id/eprint/39336

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