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Journal of Nanophotonics

Solvent effect on the synthesis of cobalt nanoparticles by pulsed laser ablation: their linear and nonlinear optical properties
Author(s): Lankipalli Jyothi; Rajamudili Kuladeep; D. Narayana Rao
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Paper Abstract

We present our results on the linear and nonlinear optical properties of cobalt nanoparticles synthesized by laser ablation in different organic solvents. Transmission electron microscopy and UV-visible absorption were used for the characterization of morphology, size distribution, and optical properties, respectively. Nonlinear scattering and nonlinear absorption are regarded as the processes contributing to the observed optical-limiting behavior in these nanoparticles, which were investigated by performing Z-scan measurements. Due to strong two-photon absorption and nonlinear scattering, cobalt nanoparticles dispersed in chlorobenzene and chloroform exhibit superior optical-limiting threshold when compared with other solvents.

Paper Details

Date Published: 26 February 2015
PDF: 9 pages
J. Nanophoton. 9(1) 093088 doi: 10.1117/1.JNP.9.093088
Published in: Journal of Nanophotonics Volume 9, Issue 1
Show Author Affiliations
Lankipalli Jyothi, Univ. of Hyderabad (India)
Rajamudili Kuladeep, Univ. of Hyderabad (India)
D. Narayana Rao, Univ. of Hyderabad (India)

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