期刊
OPTIK
卷 127, 期 7, 页码 3684-3687出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2016.01.016
关键词
Thermal diffusivity; Femtosecond laser; Laser ablation; Basic fuchsin; Nanoparticles
类别
资金
- University Grants Commission, New Delhi
- DST
Dual beam mode-matched thermal lens technique has been employed in the present study to measure the dependency of femtosecond laser ablated silver nanoparticles in the heat diffusion of Basic Fuchsin, both dispersed in ethanol. The important outcome of the experiment is that the overall heat diffusion is slower in the presence of silver sol compared to that of dye alone. The experimental results can be explained assuming that Brownian motion is the main mechanism of heat transfer under the present conditions. Light induced aggregation of the nanoparticles is also responsible for this behavior. (C) 2016 Elsevier GmbH. All rights reserved.
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