| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 7, 2012
|
|
|---|---|---|
| Article Number | 12040 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.2971/jeos.2012.12040 | |
| Published online | 28 September 2012 | |
Regular papers
Synthesis, characterization and nonlinear optical properties of silver/PVA nanocomposites
1
Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
2
Department of chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
Received:
19
April
2012
Revised:
18
August
2012
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.
Key words: Silver nanocomposites / z-scan measurement / nonlinear refractive index / nonlinear absorption coefficient
© The Author(s) 2012. All rights reserved.
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