ISSN (Print): 2372-4668

ISSN (Online): 2372-4676

Website: http://www.sciepub.com/journal/nnr

Editor-in-chief: Mehrdad Hamidi, Javad Verdi

Currrent Issue: Volume 4, Number 1, 2017

Article

Control of the Surface Plasmon Resonance of Two Configurations of Nanoparticles: Simple Gold Nanorod and Gold/Silica Core/Shell

1Laboratoire de Photonique et de Nano-Fabrication, Faculté des sciences et Techniques Université Cheikh Anta Diop de Dakar (UCAD) B.P. 25114 Dakar-Fann Dakar, Senegal


Nanoscience and Nanotechnology Research. 2017, 4(1), 1-6
doi: 10.12691/nnr-4-1-1
Copyright © 2017 Science and Education Publishing

Cite this paper:
A Sambou, P. D. Tall, Kh Talla, O. Sakho B D Ngom, A C Beye. Control of the Surface Plasmon Resonance of Two Configurations of Nanoparticles: Simple Gold Nanorod and Gold/Silica Core/Shell. Nanoscience and Nanotechnology Research. 2017; 4(1):1-6. doi: 10.12691/nnr-4-1-1.

Correspondence to: O.  Sakho B D Ngom, Laboratoire de Photonique et de Nano-Fabrication, Faculté des sciences et Techniques Université Cheikh Anta Diop de Dakar (UCAD) B.P. 25114 Dakar-Fann Dakar, Senegal. Email: bdngom@gmail.com

Abstract

We report on the study of optical properties of ellipsoidal nanoparticles forms using Gans’s theory and Drude model; we introduce important parameters such as surrounding medium, shell thickness. Nanorods shaped nanoparticles are distinguished of others forms by the appearance of two peaks corresponding to their plasmonic bands: transverse mode placed in the visible region and the longitudinal mode located toward longer wavelength. The simulation results show a strong dependence of core/shell ratio and surrounding medium on longitudinal resonance. Nano shell nanoparticles composed with a big core (gold) aspect ratio are more shifted with increasing of silica layer.

Keywords

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