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Proceedings Paper

Tunable optical properties of the core-shell nanoparticles
Author(s): Xin Hong; Chenchen Wang
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Paper Abstract

Noble metallic nanoparticle exhibits unique optical properties in visible to near infrared band when its localized surface plasmon resonance is excited. For example a sharp absorption peak at 509nm for a gold nanoparticle at the diameter of 60nm. The plasmonic properties heavily depend on its geometrical structure. In this paper, we theoretically calculate the optical properties of a single nanoparticle with different structure such as solid and core-shell. The simulation results show that the core-shell structure can reach a much broader tunable band and in which the shell thickness plays a dominant role. Further by employing a core-shell pair, more flexible properties can be reached.

Paper Details

Date Published: 17 November 2016
PDF: 7 pages
Proc. SPIE 10027, Nanophotonics and Micro/Nano Optics III, 1002717 (17 November 2016); doi: 10.1117/12.2244490
Show Author Affiliations
Xin Hong, Dalian Univ. of Technology (China)
Chenchen Wang, Dalian Univ. of Technology (China)

Published in SPIE Proceedings Vol. 10027:
Nanophotonics and Micro/Nano Optics III
Zhiping Zhou; Kazumi Wada, Editor(s)

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