Raman and near-field spectroscopic study on localized surface plasmon excitation from the 2D nanostructure of gold nanoparticles

被引：19

作者：

Hossain, M. K. ^{[1
,3
]}

Shimada, T. ^{[3
]}

Kitajima, M. ^{[1
,2
,3
]}

Imura, K. ^{[2
,4
]}

Okamoto, H. ^{[2
,4
]}

机构：

[1] Univ Tsukuba, Inst Appl Phys, Tsukuba, Ibaraki 3050005, Japan

[2] IMS, Okazaki, Aichi 4448585, Japan

[3] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[4] Grad Univ Adv Studies, Okazaki, Aichi 4448585, Japan

来源：

JOURNAL OF MICROSCOPY | 2008年 / 229卷 / 02期

关键词：

localized electromagnetic field; surface-enhanced Raman scattering; surface plasmon excitation; two-dimensional (2D) gold nanostructure; two-photon-induced photoluminescence;

D O I：

10.1111/j.1365-2818.2008.01908.x

中图分类号：

TH742 [显微镜];

学科分类号：

摘要：

We have studied electromagnetic field on the surface of two-dimensional nanostructure of gold nanoparticles through two-photon-induced photoluminescence images by using scanning near-field optical microscope and far-field surface-enhanced Raman scattering measurements. The near-field two-photon-induced photoluminescence image shows that strong inhomogeneous enhancement in two-photon-induced photoluminescence occurs over the two-dimensional nanostructure, representing localized surface plasmon excitations. The results suggest that the local structure of the two-dimensional nanostructure influences the distribution of localized surface plasmon excitation.

引用

页码：327 / 330

页数：4

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