Direct observation of plasmonic modes in Au nanowires using high-resolution cathodoluminescence Spectroscopy

被引：247

作者：

Vesseur, Ernst Jan R. ^{[1
]}

de Waele, Rene ^{[1
]}

Kuttge, Martin ^{[1
]}

Polman, Albert ^{[1
]}

机构：

[1] FOM, Inst Atom & Mol Phys, Ctr Nanophoton, NL-1098 SJ Amsterdam, Netherlands

来源：

NANO LETTERS | 2007年 / 7卷 / 09期

关键词：

D O I：

10.1021/nl071480w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We use cathodoluminescence imaging spectroscopy to excite and investigate plasmonic eigenmodes of Au nanowires with lengths of 5001200 nm and similar to 100 nm width. We observe emission patterns along the Au nanowire axis that are symmetric and strongly wavelength dependent. Different patterns correspond to different resonant modes of the nanowire. From the observed patterns, we derive the spatial and spectral properties of the wire eigenmodes and determine the dispersion relation for plasmonic Au nanowire modes.

引用

页码：2843 / 2846

页数：4

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