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Title Composite Ag-Pt Nanoparticles in Aqueous Solution
Authors Abkhalimov, E.V.
Solovov, R.D.
Ershov, B.G.
Keywords Nanoparticles
Platinum
Pulse radiolysis
Silver
Optical spectra
Synthesis
hydrogen
Type Conference Papers
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/35033
Publisher Sumy State University
License
Citation Abkhalimov, E.V. Composite Ag-Pt Nanoparticles in Aqueous Solution [Текст] / E.V. Abkhalimov, R.D. Solovov, B.G. Ershov // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V.1, No1. - 01PCN39
Abstract It is shown that the saturation of an aqueous solution containing K2PtCl4 with hydrogen in the presence of 6.3 nm silver nanoparticles leads to the reduction of platinum on the silver surface and the formation of Ag/Pt core-shell nanoparticles. The Ag:Pt molar ratio is varied from 9:1 to 1:9 for synthesizing Pt shell layer of different thickness. An apparent shift of Ag surface plasmon band from 405 nm to 230 nm and broadening of one with decrease of Ag:Pt ratio was observed. The TEM images and SAED pattern of Pt@Ag nanoparticles has been obtained. The UV-Vis and TEM data confirms a formation of Ag/Pt coreshell nanoparticles. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35033
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