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Structural, optical and thermal properties of silver colloidal nanoparticles

Published online by Cambridge University Press:  09 May 2012

S. Naderi ,
A. Ghaderi ,
S. Solaymani  and
M. M. Golzan
S. Naderi*
Affiliation:
Young Researchers Club, Kermanshah Branch, Islamic Azad University, Kermanshah, Islamic Republic of Iran
A. Ghaderi
Affiliation:
Young Researchers Club, Kermanshah Branch, Islamic Azad University, Kermanshah, Islamic Republic of Iran
S. Solaymani
Affiliation:
Young Researchers Club, Kermanshah Branch, Islamic Azad University, Kermanshah, Islamic Republic of Iran
M. M. Golzan
Affiliation:
Department of Physics, Faculty of Science, Urmia University, Urmia, Islamic Republic of Iran
*
ae-mail: shahram22s2000@yahoo.com
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Abstract

In this paper, colloidal silver nanoparticles were prepared by chemical reduction of AgNO3 and pure Sn in a new and simple method. The type of crystallite lattice and the size of nanopowders were estimated by X-Ray Diffraction (XRD) analysis. The geometric, heterogeneous and mixing structure of synthesized nanopowders were studied by Scanning Electron Microscopy (SEM). Optical properties such as plasmon absorption and frequency of soluble colloidal nanopowders in two solutions of distilled water and oil were investigated by UV-Visible spectroscopy, which was developed to calculate the absorbance spectra of nanoparticles solution containing a size distribution of particles using the Mie theory. Dipole and quadrupole plasmons related to molecular structure of water and oil were found by absorbance spectra. Also, Differential Scanning Calorimetry (DSC) analysis was used for determining the thermal behavior, endothermic and exothermic peaks of Ag nanopowder.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 58 , Issue 2 , May 2012 , 20401
Copyright
© EDP Sciences, 2012

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