Tunable optical properties of the core-shell nanoparticles

Xin Hong; Chenchen Wang

doi:10.1117/12.2244490

17 November 2016 Tunable optical properties of the core-shell nanoparticles

Xin Hong, Chenchen Wang

Proceedings Volume 10027, Nanophotonics and Micro/Nano Optics III; 1002717 (2016) https://doi.org/10.1117/12.2244490
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

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.

Citation Download Citation

Xin Hong and Chenchen Wang "Tunable optical properties of the core-shell nanoparticles", Proc. SPIE 10027, Nanophotonics and Micro/Nano Optics III, 1002717 (17 November 2016); https://doi.org/10.1117/12.2244490

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