Plasmonics of thin film quasitriangular nanoparticles

被引：20
|
作者：
Peng, Y. [1 ]
Marcoux, C. [1 ]
Patoka, P. [2 ]
Hilgendorff, M. [2 ]
Giersig, M. [2 ]
Kempa, K. [1 ]
机构：
[1] Boston Coll, Chestnut Hill, MA 02467 USA
[2] Free Univ Berlin, D-14195 Berlin, Germany
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 13期
关键词：
gold; infrared spectra; metallic thin films; nanolithography; nanoparticles; particle size; plasmonics; polaritons; self-assembly; surface plasmon resonance; ultraviolet spectra; visible spectra; SHADOW NANOSPHERE LITHOGRAPHY; GOLD NANORODS; RESONANCES; SURFACE; GROWTH; DOTS;
D O I：
10.1063/1.3373918
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate optical responses of arrays of flat, quasitriangular nanoparticles made by the self-assembly sphere lithography of a 20 nm thick gold film. The measured optical absorption spectra show strong, particle size dependent resonances, in excellent agreement with our simulations. We identify those resonances as due to standing surface/edge plasmon-polariton waves.
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页数：3
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