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
收藏
页码：10321 / 10324
页数：4
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