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Thermo-optical properties of embedded silver nanoparticles

Abstract : Thermo-optical properties of nanocomposite materials consisting of noble metal nanoparticles dispersed in a dielectric medium are appropriate for many applications as imaging, nonlinear optics, or optical monitoring of local thermal exchanges. Here, we analyze the thermo-optical response of silver nanoparticles. The contribution of inter- and intraband transitions to the thermo-optical index of bulk silver is first extracted using experimental results reported earlier in the literature. The influence of these two contributions on the thermo-optical properties of silver nanoparticles embedded in glass is then investigated. The results show that these properties are essentially due to the intraband thermo-optical contribution in the vicinity of the surface plasmon resonance of the nanoparticles, while they are dominated by the interband contribution close to the interband transition threshold.
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Submitted on : Wednesday, June 12, 2013 - 6:06:07 PM
Last modification on : Thursday, January 13, 2022 - 3:02:42 AM



Majid Rashidi-Huyeh, Havar Shirdel, Bruno Palpant. Thermo-optical properties of embedded silver nanoparticles. Journal of Applied Physics, American Institute of Physics, 2012, 112 (10), pp.103101. ⟨10.1063/1.4766409⟩. ⟨hal-00833470⟩



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