Research Papers

Solvent effect on the synthesis of cobalt nanoparticles by pulsed laser ablation: their linear and nonlinear optical properties

[+] Author Affiliations
Lankipalli Jyothi, Rajamudili Kuladeep, D. Narayana Rao

University of Hyderabad, School of Physics, Hyderabad 500046, Andhra Pradesh, India

J. Nanophoton. 9(1), 093088 (Feb 26, 2015). doi:10.1117/1.JNP.9.093088
History: Received June 19, 2014; Accepted January 22, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Lankipalli Jyothi ; Rajamudili Kuladeep and D. Narayana Rao
"Solvent effect on the synthesis of cobalt nanoparticles by pulsed laser ablation: their linear and nonlinear optical properties", J. Nanophoton. 9(1), 093088 (Feb 26, 2015). ; http://dx.doi.org/10.1117/1.JNP.9.093088


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