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Shahriari, Esmaeil, Moradi, Mohammad, Raeisi, Morteza. (1395). An experimental study of thermal diffusivity of Au nanoparticles: effects of concentration particle size. , 10(4), 259-263. doi: 10.1007/s40094-016-0224-x
Esmaeil Shahriari; Mohammad Moradi; Morteza Raeisi. "An experimental study of thermal diffusivity of Au nanoparticles: effects of concentration particle size". , 10, 4, 1395, 259-263. doi: 10.1007/s40094-016-0224-x
Shahriari, Esmaeil, Moradi, Mohammad, Raeisi, Morteza. (1395). 'An experimental study of thermal diffusivity of Au nanoparticles: effects of concentration particle size', , 10(4), pp. 259-263. doi: 10.1007/s40094-016-0224-x
Shahriari, Esmaeil, Moradi, Mohammad, Raeisi, Morteza. An experimental study of thermal diffusivity of Au nanoparticles: effects of concentration particle size. , 1395; 10(4): 259-263. doi: 10.1007/s40094-016-0224-x

An experimental study of thermal diffusivity of Au nanoparticles: effects of concentration particle size

Journal of Theoretical and Applied Physics
مقاله 1، دوره 10، شماره 4، اسفند 2016، صفحه 259-263  XML اصل مقاله (1000.95 K)
شناسه دیجیتال (DOI): 10.1007/s40094-016-0224-x
نویسندگان
Esmaeil Shahriari email 1؛ Mohammad Moradi1؛ Morteza Raeisi2
1Department of Physics, Faculty of Science, Shahrekord University;Photonic Research Group, Shahrekord University
2Department of Physics, Faculty of Science, Shahrekord University
چکیده
AbstractIn this article, Au nanoparticles in polyvinylpyrrolidone (PVP) solution were prepared by gamma radiation at different concentrations. The solutions were irradiated at doses of 50 kGy for making different sizes. The average sizes of particle in the prepared samples were measured using the nanophox machine. A dual-beam mode-mismatched thermal lens (TL) method was used to investigate the effect of thermal diffusivity of samples. The TL measurement was carried out using a green diode laser (wavelength 532 nm, 60 mW) and a He–Ne laser (wavelength 632.8 nm, 0.5 mW) for excitation source and probe beam, respectively. The results showed that the thermal diffusivity of samples enhances with the growth of particle size and density of solutions. This increment can be attributed to phonon scattering at interface of particles–liquid and contact between the nanoparticles and surrounded liquid.
کلیدواژه‌ها
Au nanoparticles؛ Thermal lens method؛ Thermal diffusivity
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