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Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Volume 44, 2014 - Issue 10
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Original Articles

Synthesis and Characterization of Au:Ag Nanoparticles Using Trisodium Citrate and SDS

Amir H. Salehi K.Textile Department, Amirkabir University of Technology, Center of Excellence in Textile, Tehran, Iran
,
M. MontazerTextile Department, Amirkabir University of Technology, Center of Excellence in Textile, Tehran, IranCorrespondence[email protected]
&
T. ToliyatDepartment of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
Pages 1421-1425 | Received 22 Dec 2012, Accepted 27 May 2013, Published online: 02 Jun 2014
 
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Abstract

A stable colloidal solution of Au:Ag nanoparticles consisting of various molar ratios of gold and silver was synthesized in an aqueous media through a chemical reduction using trisodium citrate and sodium dodecyl sulfate (SDS). UV–visible spectra confirmed the formation of nanoalloys as only one Plasmon peak is obtained. The transmission electron microscopy and dynamic light scattering proved the formation of nanoalloys with the average size of 20–25 nm. The effect of different mole ratios of SDS on synthesis conditions and the stability of the colloidal solution was investigated. The optimum SDS content produced a stable colloidal suspension with narrow size distribution of nanoparticles.

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