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Synthesis, characterization and nonlinear optical properties of silver/PVA nanocomposites
Author(s) -
Nastaran Faraji,
Wan Mahmood Mat Yunus,
Alireza Kharazmi,
Elias Saion,
Mahdi Shahmiri,
N. Tamchek
Publication year - 2012
Publication title -
journal of the european optical society rapid publications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.357
H-Index - 33
ISSN - 1990-2573
DOI - 10.2971/jeos.2012.12040
Subject(s) - materials science , polyvinyl alcohol , nanocomposite , transmission electron microscopy , refractive index , hydrazine (antidepressant) , reducing agent , diffraction , scanning electron microscope , chemical engineering , optics , nanotechnology , optoelectronics , composite material , chemistry , chromatography , engineering , physics
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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