Optical absorption study of the surface plasmon resonance in gold nanoparticles immobilized onto a gold substrate by self-assembly technique

被引：0

作者：

Okamoto, T ^{[1
]}

Yamaguchi, I ^{[1
]}

机构：

[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2003年 / 107卷 / 38期

关键词：

D O I：

10.1021/jp034537l

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：

The resonance wavelength of the surface plasmon in gold nanoparticles above a gold substrate has been measured using transmission absorption spectroscopy. Gold nanoparticles with diameters in the range of 20-100 nm are immobilized onto a thin gold film deposited onto a glass substrate by a self-assembled monolayer of aminoethanethiol. The resonance wavelength obtained in the experiments shows a large red shift. Its dependence on the particle diameter shows good agreement with theoretical results that are calculated using a static approximation that includes multipole effects.

引用

页码：10321 / 10324

页数：4

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