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

M. K. Hossain; T. Shimada; M. Kitajima; K. Imura; H. Okamoto

doi:10.1111/j.1365-2818.2008.01908.x

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

M. K. Hossain, T. Shimada, M. Kitajima, K. Imura, H. Okamoto

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	327-330
Number of pages	4
Journal	Journal of Microscopy
Volume	229
Issue number	2
DOIs	https://doi.org/10.1111/j.1365-2818.2008.01908.x
Publication status	Published - 2008 Feb
Externally published	Yes

Keywords

Localized electromagnetic field
Surface plasmon excitation
Surface-enhanced Raman scattering
Two-dimensional (2D) gold nanostructure
Two-photon-induced photoluminescence

ASJC Scopus subject areas

Pathology and Forensic Medicine
Histology

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

abstract = "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.",

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AU - Hossain, M. K.

AU - Shimada, T.

AU - Kitajima, M.

AU - Imura, K.

AU - Okamoto, H.

PY - 2008/2

Y1 - 2008/2

N2 - 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.

AB - 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.

KW - Localized electromagnetic field

KW - Surface plasmon excitation

KW - Surface-enhanced Raman scattering

KW - Two-dimensional (2D) gold nanostructure

KW - Two-photon-induced photoluminescence

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