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Proceedings Paper

Plasmon-enhanced photothermal response in heterogeneous metallic trimers
Author(s): S. Toroghi; P. G. Kik
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Paper Abstract

Heat generation in plasmonic nanostructures has attracted enormous attention due to the ability of these nanostructures to generate high temperatures in nanoscale volumes using far-field irradiation, enabling applications ranging from photothermal therapy to fast (sub-nanosecond) thermal optical switching. Here we investigate the optical and thermal response of a heterogeneous trimer structure composed of a gold nanoparticle surrounded by two larger silver nanoparticles analytically and numerically. We observe that this type of multi-scale multi-material plasmonic oligomer can produce temperature changes over two orders of magnitude higher than possible with isolated gold nanoparticles.

Paper Details

Date Published: 10 September 2014
PDF: 7 pages
Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91631B (10 September 2014); doi: 10.1117/12.2062259
Show Author Affiliations
S. Toroghi, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
P. G. Kik, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 9163:
Plasmonics: Metallic Nanostructures and Their Optical Properties XII
Allan D. Boardman, Editor(s)

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