Plasmonic Photothermal Heating of Gold Nanoshell Solutions

Do Thi Nga; Le Ba Nam; To Thi Thao; Vu Thi Thuy Duong

doi:10.15625/0868-3166/30/4/15152

Plasmonic Photothermal Heating of Gold Nanoshell Solutions

Do Thi Nga, Le Ba Nam, To Thi Thao, Vu Thi Thuy Duong

Author affiliations

Authors

Do Thi Nga Institute of Physics, Vietnam Academy of Science and Technology, 10 Dao Tan, Ba Dinh, Hanoi, Vietnam
Le Ba Nam School of Engineering Physics, Hanoi University of Science and Technology, 1 Dai Co Viet, Hanoi, Vietnam
To Thi Thao Department of Physics, Post and Telecommunications Institute of Technology Nguyen Trai Street, Ha Dong District, Hanoi, Vietnam
Vu Thi Thuy Duong Ministry of Science and Technology 113 Tran Duy Hung Street, Cau Giay District, Hanoi, Vietnam

DOI:

https://doi.org/10.15625/0868-3166/30/4/15152

Keywords:

photothermal effects, gold nanoshells, NIR, Mie theory

Abstract

We present a theoretical approach to theoretically investigate how gold core-shell
nanoparticles dispersed in water thermally respond to near-infrared-regime laser illumination. First, the absorption cross section of gold nanostructures is calculated using Mie theory. Second, we determine the absorbed power density when the solution is exposed by the laser light. Here, the solution of nanostructures is assumed to be uniform and homogenous. Third, we analytically solve the transient bioheat equation to calculate time-dependent temperature increase. Our theoretical calculations quantitatively agree with previous experiments without any adjustable parameter.
This approach would provide a reliable tool to understand photothermal effects in unexplored structures.

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Published

16-11-2020

How to Cite

[1]

D. T. Nga, L. B. Nam, T. T. Thao, and V. T. T. Duong, “Plasmonic Photothermal Heating of Gold Nanoshell Solutions”, Comm. Phys., vol. 30, no. 4, p. 363, Nov. 2020.

IEEE

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Issue

Vol. 30 No. 4 (2020)

Section

Papers

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