Numerical simulations of local plasmonic field distortion for multimodal core-shell gold-based nanoparticles

Igor I. Kon; Andrey Y. Zyubin; I. G. Samusev

doi:10.1117/12.2575379

10 October 2020 Numerical simulations of local plasmonic field distortion for multimodal core-shell gold-based nanoparticles

Igor I. Kon, Andrey Y. Zyubin, I. G. Samusev

Author Affiliations +

Proceedings Volume 11554, Advanced Sensor Systems and Applications X; 115540O (2020) https://doi.org/10.1117/12.2575379
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

The paper continues [12] the Finite-Difference Time-Domain (FDTD) mathematical modeling method application of electric field distortion near the surface of spherical gold nanoparticles functionalized by two shells: water shell as a model substance for a drug and S_iO₂ as a capsuling silicon polymer. During the simulation, parameters such as particle size, the thickness of surface layers, the wavelength of exciting radiation, and the dependence of the effective amplification of the E component of electromagnetic field on the thickness of the polymer and water layers were investigated. The prospects of the theoretical approach of core-shell complexes for theranostics tasks are shown. The data presented can be used as a basis for controlled chemical synthesis of spherical nanoparticles.

Conference Presentation

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Igor I. Kon, Andrey Y. Zyubin, and I. G. Samusev "Numerical simulations of local plasmonic field distortion for multimodal core-shell gold-based nanoparticles", Proc. SPIE 11554, Advanced Sensor Systems and Applications X, 115540O (10 October 2020); https://doi.org/10.1117/12.2575379

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