A Mechanically Tunable Plasmonic Structure Composed of a Monolayer Array of Metal-Capped Colloidal Spheres on an Elastomeric Substrate

被引：64

作者：

Zhu, Xiaolong ^{[1
,2
]}

Shi, Lei ^{[1
,2
]}

Liu, Xiaohan ^{[1
,2
]}

Zi, Jian ^{[1
,2
]}

Wang, Zhenlin ^{[3
]}

机构：

[1] Fudan Univ, Minist Educ, Key Lab Micro & Nano Photon Struct, Dept Phys, Shanghai 200433, Peoples R China

[2] Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China

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

来源：

NANO RESEARCH | 2010年 / 3卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Plasmonic structure; metal-capped colloidal spheres; elastomeric substrate; tunable surface plasmon resonance; TRANSMISSION; CRYSTALS; OPTICS; FILMS;

D O I：

10.1007/s12274-010-0048-y

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：

A highly stretchable plasmonic structure composed of a monolayer array of metal-capped colloidal spheres on an elastomeric substrate has been fabricated using simple and inexpensive self-assembly and transfer-printing techniques. This composite structure supports coupled surface plasmons whose wavelengths are sensitive to the arrangement of the metal-capped colloidal spheres. Upon stretching, the lattice of metal-capped colloidal spheres will be deformed, leading to a large wavelength shift of surface plasmon resonances and simultaneously an obvious color change. This stretchable plasmonic structure offers a promising approach to tune surface plasmon resonances and might be exploited in realizing flexible plasmonic devices with tunability of mechanical strain.

引用

页码：807 / 812

页数：6

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