Confined Mie Plasmons in Monolayer Hexagonal-Close-Packed Metallic Nanoshells

被引：4

作者：

Chen Jing ^{[1
,2
]}

Dong Wen ^{[1
,2
,3
]}

Wang Qiu-Gu ^{[1
,2
]}

Tang Chao-Jun ^{[1
,2
]}

Chen Zhuo ^{[1
,2
]}

Wang Zhen-Lin ^{[1
,2
]}

机构：

[1] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[3] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 09期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1088/0256-307X/29/9/097303

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using a double templating method by electroless deposition within a templating organic porous mold, we fabricate a monolayer of hexagonal-close-packed metallic nanoshells, each with a small opening. Light transmission spectra of the metallic nanoshell arrays are measured, which show transmission resonances at specific wavelengths whose positions are observed to be independent of the incident angle as well as light polarizations. More interestingly, the resonance wavelengths of Mie plasmon modes are also independent of the surrounding medium. Further numerical simulations confirm these transmission resonances and reveal that they are attributed to the excitations of highly localized dipolar, quadrupolar and hexapolar Mie plasmon modes, which are highly confined within metallic nanoshells.

引用

页数：4

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