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Au@Pd Core-Shell Nanoparticles through Digestive Ripening

Jose, Deepa and Jagirdar, Balaji R (2008) Au@Pd Core-Shell Nanoparticles through Digestive Ripening. In: Journal of Physical Chemistry C, 112 (27). pp. 10089-10094.

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Colloids of gold and palladium nanoparticles have been prepared by the Solvated Metal Atom Dispersion (SMAD) method. Digestive ripening, a process involving mixing of the as-prepared gold and palladium colloids consisting of polydisperse nanoparticles and refluxing the mixture in the presence of a surfactant resulted in highly monodisperse Au@Pd core-shell nanoparticles with an average diameter of 6.6 \pm 0.5 nm. The synthesis has been successfully carried out reproducibly on gram scale. The core-shell structure was established by using 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 methods.

Item Type: Journal Article
Publication: Journal of Physical Chemistry C
Publisher: American Chemical Society
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 06 Aug 2008
Last Modified: 19 Sep 2010 04:48
URI: http://eprints.iisc.ac.in/id/eprint/15471

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