Ag@Pd core-shell nanoparticles

Jose, Deepa and Jagirdar, Balaji R (2011) Ag@Pd core-shell nanoparticles. In: Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 50 (9-10, ). pp. 1308-1317.

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Abstract

Colloids of silver and palladium nanoparticles have been prepared by the Solvated Metal Atom Dispersion method. The as-prepared Ag colloid consisting of polydisperse nanoparticles is transformed into a monodisperse colloid by the digestive ripening process which involves refluxing the as-prepared colloid in the presence of a surfactant. In addition to the monodisperse nanoparticles, a small amount of an Ag-thiolate complex is also formed. Refluxing a mixture of the as-prepared Ag and Pd colloids results in Ag@Pd core-shell nanoparticles. The core-shell structure has been established using a combination of techniques such as UV-visible spectroscopy, high resolution electron microscopy, energy filtered electron microscopy, energy dispersive X-ray analysis, high angle annular dark field imaging and powder X-ray diffraction.

Item Type:	Journal Article
Publication:	Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry
Publisher:	National Institute of Science Communication and Information Resources
Additional Information:	Copyright of this article belongs to National Institute of Science Communication and Information Resources.
Keywords:	Nanoparticles;Bimetallic nanoparticles;Colloids;Solvated metal atom dispersion;Digestive ripening;Core shell nanoparticles;Silver nanoparticles;Palladium nanoparticles; Silver colloid;Palladium colloid
Department/Centre:	Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited:	21 Dec 2011 09:06
Last Modified:	21 Dec 2011 09:06
URI:	http://eprints.iisc.ac.in/id/eprint/42787

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