Synthesis, characterization and nonlinear optical properties of silver/PVA nanocomposites

N. Faraji; W. Mahmood Mat Younus; A. Kharazmi; E. Saion; M. Shahmiri; N. Tamchek

doi:10.2971/jeos.2012.12040

Journal of the European Optical Society - Rapid publications, Vol 7 (2012)

Synthesis, characterization and nonlinear optical properties of silver/PVA nanocomposites

N. Faraji, W. Mahmood Mat Younus, A. Kharazmi, E. Saion, M. Shahmiri, N. Tamchek

Abstract

Silver/polyvinyl alcohol (PVA) nanocomposites are prepared via quick precipitation method, using hydrazine as a reducing agent. Preparing of silver/PVA nanocomposites by this method is done for the first time. The samples are characterized by Uv-Visible spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM). Nonlinear optical properties are carried out by Z-scan technique using a blue CW laser beam operated at wavelength 405 nm. It is shown that the synthesized samples have negative nonlinear refractive index and the magnitude is in the order of 10^-8. The nonlinear refractive index increases as amount of reducing agent increases.

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