Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox

Nowadays, gold nanoparticles have gained a great interest among researchers, owing to their fascinating optical properties which arise from the phenomenon of the surface plasmon resonance. The tunability of these properties makes gold nanoparticles attractive for many applications. By employing MNPB...

Full description

Saved in:

Bibliographic Details
Main Author:	Rahim, Siti Nur Shafiqa Abdul
Format:	Thesis
Language:	English
Published:	2020
Subjects:	QC1 Physics (General)
Online Access:	http://eprints.usm.my/51672/1/SITI%20NUR%20SHAFIQA%20BINTI%20ABDUL%20RAHIM%20-%20TESIS%20cut.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-usm-ep.51672
record_format	uketd_dc
spelling	my-usm-ep.516722022-02-25T14:12:58Z Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox 2020-05 Rahim, Siti Nur Shafiqa Abdul QC1 Physics (General) Nowadays, gold nanoparticles have gained a great interest among researchers, owing to their fascinating optical properties which arise from the phenomenon of the surface plasmon resonance. The tunability of these properties makes gold nanoparticles attractive for many applications. By employing MNPBEM Toolbox, the optical properties of the gold nanoparticles have been studied. In order to verify the accuracy of this approach, a series of extinction spectra for a single spherical gold nanoparticle of different size had been simulated. Additionally, to make the simulation more realistic, the size effects had been taken into account. Next, the effect of the interparticle distance on the surface plasmon resonance had been elucidated, by categorizing it into two classes namely short-distance range and long-distance range. For the first range, the focus of this work was to scrutinize the validity of the well-known plasmon ruler equation when the nanostructure was transformed from dimer to linear chain. Concurrently, the objective for the long-distance range was to determine the interparticle distance at which the near field interaction of gold linear chains transits to the far field interaction. From the simulation results, it was observed that a single gold nanosphere had experienced the redshift and broadening of the resonance peak when the nanoparticle size was increased. The good agreement between the simulation results (obtained from this work) and the experimental results (obtained from the reported studies) corroborated the validity of this approach. Moreover, it was found that the plasmon ruler equation was size-dependent. 2020-05 Thesis http://eprints.usm.my/51672/ http://eprints.usm.my/51672/1/SITI%20NUR%20SHAFIQA%20BINTI%20ABDUL%20RAHIM%20-%20TESIS%20cut.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Sains Fizik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QC1 Physics (General)
spellingShingle	QC1 Physics (General) Rahim, Siti Nur Shafiqa Abdul Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox
description	Nowadays, gold nanoparticles have gained a great interest among researchers, owing to their fascinating optical properties which arise from the phenomenon of the surface plasmon resonance. The tunability of these properties makes gold nanoparticles attractive for many applications. By employing MNPBEM Toolbox, the optical properties of the gold nanoparticles have been studied. In order to verify the accuracy of this approach, a series of extinction spectra for a single spherical gold nanoparticle of different size had been simulated. Additionally, to make the simulation more realistic, the size effects had been taken into account. Next, the effect of the interparticle distance on the surface plasmon resonance had been elucidated, by categorizing it into two classes namely short-distance range and long-distance range. For the first range, the focus of this work was to scrutinize the validity of the well-known plasmon ruler equation when the nanostructure was transformed from dimer to linear chain. Concurrently, the objective for the long-distance range was to determine the interparticle distance at which the near field interaction of gold linear chains transits to the far field interaction. From the simulation results, it was observed that a single gold nanosphere had experienced the redshift and broadening of the resonance peak when the nanoparticle size was increased. The good agreement between the simulation results (obtained from this work) and the experimental results (obtained from the reported studies) corroborated the validity of this approach. Moreover, it was found that the plasmon ruler equation was size-dependent.
format	Thesis
qualification_level	Master's degree
author	Rahim, Siti Nur Shafiqa Abdul
author_facet	Rahim, Siti Nur Shafiqa Abdul
author_sort	Rahim, Siti Nur Shafiqa Abdul
title	Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox
title_short	Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox
title_full	Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox
title_fullStr	Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox
title_full_unstemmed	Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox
title_sort	size and interparticle interaction effects on optical properties of gold nanoparticles surface plasmon resonance emission by mnpbem toolbox
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Fizik
publishDate	2020
url	http://eprints.usm.my/51672/1/SITI%20NUR%20SHAFIQA%20BINTI%20ABDUL%20RAHIM%20-%20TESIS%20cut.pdf
_version_	1747822092689080320

Size And Interparticle Interaction Effects On Optical Properties Of Gold Nanoparticles Surface Plasmon Resonance Emission By Mnpbem Toolbox

Similar Items