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Silver-palladium nanodispersions in silicate matrices: Highly uniform, stable, bimetallic structures

DSouza, Lawrence and Bera, Parthasarathi and Sampath, S (2002) Silver-palladium nanodispersions in silicate matrices: Highly uniform, stable, bimetallic structures. In: Journal of Colloid and Interface Science, 246 (1). pp. 92-99.

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Ag-Pd nanobimetallic colloidal particles are prepared in a single step by a chemical reduction method. Organically modified aminosilicate is used as a supporting matrix as well as a stabilizing agent, to obtain very uniform, well-distributed bimetallic particles. These nanoparticles are found to be stable for several months in both the solid and the liquid phases. The structure of the bimetallic particles has been followed by X-ray photoelectron spectroscopy and ultraviolet-visible spectroscopy. The distribution and the particle size are determined by transmission electron microscope and X-ray diffraction studies. Polymerization and condensation of the support silicate material have been confirmed by Fourier transform infrared spectroscopy. (C) 2002 Elsevier Science.

Item Type: Journal Article
Publication: Journal of Colloid and Interface Science
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Carbon-Monoxide;Ag-Pd;Nanoelectronic Devices;Quantum Dots;Colloids;Clusters;Alloys;Gold;Spectroscopy; Particlessol- elAbbreviations; aminosilicateAbbreviations; nanoparticlesAbbreviations;bimetalAbbreviations; Ag-PdAbbreviations;CO adsorption
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 19 Nov 2009 09:08
Last Modified: 19 Sep 2010 05:00
URI: http://eprints.iisc.ac.in/id/eprint/18237

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