Shell thickness dependent plasmonic resonances in concentric core-shell nanoparticles

Yunfeng Xu; Kuixing Zhang; Benzheng Wei

doi:10.1117/12.2505188

15 November 2018 Shell thickness dependent plasmonic resonances in concentric core-shell nanoparticles

Yunfeng Xu, Kuixing Zhang, Benzheng Wei

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109641D (2018) https://doi.org/10.1117/12.2505188
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

In this paper, we investigate the effects of silver shell thickness on the pasmonic resonances in single layer concentric core-shell particles by Mie theory. The plasmonic resonance is shown to be strongly influenced by the changing of shell thickness which leads the changes of dipolar and high order extinction resonance wavelength shift properties. Theoretical calculations indicated plasmon hybridization and phase retardation play an important role to influence the shift direction. Furthermore, different environment and geometrical properties are also considered.

Citation Download Citation

Yunfeng Xu, Kuixing Zhang, and Benzheng Wei "Shell thickness dependent plasmonic resonances in concentric core-shell nanoparticles", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109641D (15 November 2018); https://doi.org/10.1117/12.2505188

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