Absorption spectra of tiny gold and silver objects

被引：3

作者：

Scaffardi, Lucia B. ^{[1
,2
]}

Tocho, Jorge O. ^{[1
,3
]}

机构：

[1] CONICET CIC, CIOp, RA-1900 La Plata, Buenos Aires, Argentina

[2] UNLP, Fac Ingn, Area Ciencias Basicas, La Plata, Argentina

[3] UNLP, Fac Ciencias Exactas, Dept Fis, La Plata, Argentina

来源：

JOURNAL OF LUMINESCENCE | 2008年 / 128卷 / 5-6期

关键词：

nanoparticles; gold; silver; light scattering; dielectric functions; extinction size effects; plasmon frequency;

D O I：

10.1016/j.jlumin.2007.11.017

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical properties of very small metallic objects are discussed. Extinction spectra in the visible and near IR are performed for sizing tiny metallic objects. Both free and bound electrons contributions to dielectric function and its dependence with size are considered to explain the experimental results. Calculations for structured objects like core-coat spherical particles and bimetallic alloys are discussed and compared with recent experimental results. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：828 / 830

页数：3

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