Ag@Pd core-shell nanoparticles

Jose, Deepa ; Jagirda, Balaji R. (2011) Ag@Pd core-shell nanoparticles Indian Journal of Chemistry, 50A . pp. 1308-1317. ISSN 0019-5103

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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:Article
Source: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
ID Code:98634
Deposited On:09 Dec 2014 10:55
Last Modified:09 Dec 2014 10:55

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