Size-dependence of the effective electron-phonon energy relaxation in hollow gold nanospheres

被引：3
|
作者：
Fan, Y. [1 ,2 ]
Li, J. [1 ]
Chen, H. [1 ]
Lu, X. [1 ]
Liu, X. [1 ]
机构：
[1] Shenzhen Univ, Coll Elect Sci & Technol, Shenzhen Key Lab Micronano Photon Informat Techno, Shenzhen 518060, Peoples R China
[2] Shenzhen Univ, Coll Optoelect Engn, Shenzhen 518060, Peoples R China
来源：
OPTO-ELECTRONICS REVIEW | 2014年 / 22卷 / 01期
基金：
中国国家自然科学基金;
关键词：
effective electron-phonon coupling constant; hollow gold nanospheres; nonlinear optics; NANOPARTICLES; DYNAMICS; ULTRAFAST; SURFACE; NANOCRYSTALS;
D O I：
10.2478/s11772-014-0172-4
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper the size-dependence of energy relaxation, which is induced by the electron-phonon (e-ph) interactions and the electron-surface (e-s) interactions in noble metal nanoparticles, is investigated. Then based on the analysis and the derivation of the e-s coupling constant in metal nanospheres, the formula of the effective electron-phonon coupling constant G(eff) of hollow gold nanospheres (HGNs) is deduced. Moreover, the correctness of the formulae gets proved by contrast analyses of the calculated G(eff) values and experimental values obtained from literature.
引用
收藏
页码：36 / 40
页数：5
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