Please use this identifier to cite or link to this item: https://doi.org/10.1166/jnn.2005.177
Title: Phase transfer identification of core-shell structures in Ag-Au bimetallic nanoparticles
Authors: Yang, J. 
Lee, J.Y. 
Chen, L.X. 
Too, H.-P.
Keywords: Core-Shell Nanoparticles
Gold
Phase Transfer
Seed-Mediated Growth
Silver
Issue Date: 2005
Source: Yang, J.,Lee, J.Y.,Chen, L.X.,Too, H.-P. (2005). Phase transfer identification of core-shell structures in Ag-Au bimetallic nanoparticles. Journal of Nanoscience and Nanotechnology 5 (7) : 1095-1100. ScholarBank@NUS Repository. https://doi.org/10.1166/jnn.2005.177
Abstract: The difference between the transfer of poly(vinylpyrrolidone)-protected Au and Ag nanoparticles from an aqueous solution to toluene was used to develop a simple experimental procedure that can positively identify the formation of bimetallic Ag-Au nanoparticles with the core-shell structure. The method was validated by UV-visible spectroscopy, EDX, and TEM measurements. Using this technique, we have found that core-shell nanoparticles of Ag-Au were formed by the seed-mediated growth method using Ag nanoparticles as the seeds. The reversed order of using Au nanoparticles as the seeds, on the contrary, could only produce a physical mixture of Ag-Au core-shell nanoparticles and isolated Ag nanoparticles. Copyright © 2005 American Scientific Publishers All rights reserved.
Source Title: Journal of Nanoscience and Nanotechnology
URI: http://scholarbank.nus.edu.sg/handle/10635/51803
ISSN: 15334880
DOI: 10.1166/jnn.2005.177
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