A single particle plasmon resonance study of 3D conical nanoantennas

被引：41

作者：

Schaefer, Christian ^{[1
,2
]}

Gollmer, Dominik A. ^{[1
,2
]}

Horrer, Andreas ^{[1
,2
]}

Fulmes, Julia ^{[1
,2
]}

Weber-Bargioni, Alexander ^{[3
]}

Cabrini, Stefano ^{[3
]}

Schuck, P. James ^{[3
]}

Kern, Dieter P. ^{[1
,2
]}

Fleischer, Monika ^{[1
,2
]}

机构：

[1] Univ Tubingen, Inst Appl Phys, D-72076 Tubingen, Germany

[2] Univ Tubingen, Ctr LISA, D-72076 Tubingen, Germany

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA

来源：

NANOSCALE | 2013年 / 5卷 / 17期

关键词：

ENHANCED RAMAN-SPECTROSCOPY; NANOSPHERE LITHOGRAPHY; SILVER NANOPARTICLES; GOLD NANOPARTICLES; SIZE; SCATTERING; FLUORESCENCE; ABSORPTION; MICROSCOPY; RESOLUTION;

D O I：

10.1039/c3nr01292a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Metallic nanocones are well-suited optical antennas for near-field microscopy and spectroscopy, exhibiting a number of different plasmonic modes. A major challenge in using nanocones for many applications is maximizing the signal at the tip while minimizing the background from the base. It is shown that nanocone plasmon resonance properties can be shifted over a wide range of wavelengths by variation of the substrate, material, size and shape, enabling potential control over specific modes and field distributions. The individual resonances are identified and studied by correlated single particle dark field scattering and scanning electron microscopy in combination with numerical simulations.

引用

页码：7861 / 7866

页数：6

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