Thermal response of nanocomposite materials under pulsed laser excitation

被引：0
|
作者：
Rashidi-Huyeh, Majid [1 ]
Palpant, Bruno [1 ]
机构：
[1] Institut des Nono-Sciences de Paris, CNRS, Univ. Pierre et Marie Curie, Case 80, 140 rue de Lourmel, 75015 Paris, France
来源：
| 1600年 / American Institute of Physics Inc.卷 / 96期
关键词：
Colloids - Concentration (process) - Electron scattering - Laser pulses - Mathematical models - Numerical analysis - Precious metals - Thermal effects;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The energy exchange within the noble metal nanoparticle and the surrounding dielectric host to a light pulse absorption was investigated. The investigation was based on time-resolved pump probe techniques and were realized on colloidal solutions of thin nanocomposite films. The temperature dynamics of the electrons, metal lattice and matrix as function of particle size and metal concentration of the medium was calculated numerically by the thermal interactions between the neighbouring particles. It was shown that in the femtosecond regime, the heat transfer to the matrix could not be neglected beyond a few picosecond.
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