Title

Plasmon-Enhanced Photothermal Response In Heterogeneous Metallic Trimers

Keywords

Cascaded plasmon resonance; Field enhancement; Heterogeneous trimer; Photothermal

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.

Publication Date

1-1-2014

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

9163

Number of Pages

-

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.2062259

Socpus ID

84922902088 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84922902088

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