Effect of Geometrical Properties on Localized Surface Plasmon Resonance of Gold Nanoparticles

Luong Lam Nguyen; Quoc Trung Trinh; Quang Bao Tu; Van Quynh Nguyen; Thi Hong Cam Hoang

doi:10.15625/0868-3166/15560

Effect of Geometrical Properties on Localized Surface Plasmon Resonance of Gold Nanoparticles

Luong Lam Nguyen, Quoc Trung Trinh, Quang Bao Tu, Van Quynh Nguyen, Thi Hong Cam Hoang

Author affiliations

Authors

Luong Lam Nguyen University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology,18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Quoc Trung Trinh University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology,18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Quang Bao Tu University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology,18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Van Quynh Nguyen University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology,18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
Thi Hong Cam Hoang

DOI:

https://doi.org/10.15625/0868-3166/15560

Keywords:

simulation, plasmonic, metallic nanoparticle, nanosphere, nanotriangle

Abstract

This work reportson plasmonic effects (i.e light scattering and absorption properties) induced by two different gold nanoparticles (AuNPs)-shaped: spherical particle and triangular particle. The scattering cross-section and electric field profiles have been investigated by using theboundary element method (MNPBEM toolbox). Two configurations: the isolated AuNPand the coupledtwo-gold NPsystem have been considered to evaluate the localized surface plasmon resonance (LSPR) in eithersingle or coupled AuNPstructures. The effect of the surrounding medium on the scattering behavior of the NPs has also been examined. Then the dependence of “hotspot” intensity on the distance between two NPs has been recognized by mapping the electric field profile. The obtained results can be used as the guidelines for synthesizing AuNP structures to employ LSPR for sensing or other applications.

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Published

27-09-2021

How to Cite

[1]

L. L. Nguyen, Q. T. Trinh, Q. B. Tu, V. Q. Nguyen, and T. H. C. Hoang, “Effect of Geometrical Properties on Localized Surface Plasmon Resonance of Gold Nanoparticles”, Comm. Phys., vol. 31, no. 4, p. 369, Sep. 2021.

IEEE

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Issue

Vol. 31 No. 4 (2021)

Section

Papers

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