Volume 12, Issue 1 (Iranian Journal of Physics Research, Spring 2012)                   IJPR 2012, 12(1): 77-83 | Back to browse issues page

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Farbod M, Batvandi M. Fabrication and size control of Ag nanoparticles. IJPR. 2012; 12 (1) :77-83
URL: http://ijpr.iut.ac.ir/article-1-1001-en.html
Shahid Chamran University of Ahvaz , farbod_m@scu.ac.ir
Abstract:   (12532 Views)

 The objective of this research was to fabricate Ag nanoparticles and control their sizes. Colloidal Ag nanoparticles with particle size of 30 nm were prepared by dissolving AgNO3 in ethanol and through the chemical reduction of Ag+ in alcohol solution. To control the nanoparticle size, different samples were fabricated by changing the AgNO3 and stabilizer concentrations and the effects of different factors on the shape and size of nanoparticles were investigated. The samples were characterized using SEM and EDX analysis. The results showed that by increasing the AgNO3 concentration, the average size of nanoparticles increases and nanoparticles lose their spherical shape. Also, we found that by using the stabilizer, it is possible to produce stable nanoparticles but increasing the stabilizer concentration caused an increase in size of nanoparticles. Fabrication of nanoparticles without using stabilizer was achieved but the results showed the nanoparticles size had a growth of 125 nm/h in the alcoholic media.

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Type of Study: Research | Subject: General

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