Hyper-Rayleigh scattering from silver nanoparticles

被引：126

作者：

Hao, EC ^{[1
]}

Schatz, GC ^{[1
]}

Johnson, RC ^{[1
]}

Hupp, JT ^{[1
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

来源：

JOURNAL OF CHEMICAL PHYSICS | 2002年 / 117卷 / 13期

关键词：

D O I：

10.1063/1.1510439

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We experimentally demonstrate for the first time the existence of distinguishable contributions to hyper-Rayleigh scattering (HRS) intensities from Ag nanoparticles arising from electric-dipole and electric-quadrupole plasmon resonances at the emitted wavelength. We show that these results can be successfully modeled using an electromagnetic theory of HRS which assumes a surface-induced nonlinear susceptibility. In addition, we show that simple angular distribution measurements may be used to determine the relative sizes of the dipole and quadrupole contributions. (C) 2002 American Institute of Physics.

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页码：5963 / 5966

页数：4

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