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Modelling the Optical Properties of Gold Nanoparticles using COMSOL Multiphysics: Influence of Geometry, Environment, and Temperature

Tigran A. Sargsian, Maksim Ya. Vinnichenko, David B. Hayrapetyan

Summary: The study investigates the optical properties of gold nanoparticles (Au NPs) using COMSOL Multiphysics simulations, exploring the effects of geometry, environment, and temperature. Various shapes, including nanospheres, nanorods, and core/shell structures, were analyzed in different media, and the dielectric function was modeled as a function of size and temperature. Results showed that larger particle sizes and higher temperatures cause a red-shift in localized surface plasmon resonance (LSPR), offering insights for tailoring Au NP properties for applications like imaging and drug delivery.

Modelling the Optical Properties of Gold Nanoparticles using COMSOL Multiphysics: Influence of Geometry, Environment, and Temperature
Research Article | PUBLISHED ONLINE: 11 August 2024

MatSci Express 1(4), 278-290 (2024)

https://doi.org/10.69626/mse.2024.0278