The Effect of Ag Nanoparticles on Surface-Enhanced Luminescence from Au Nanovoid Arrays

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Title: The Effect of Ag Nanoparticles on Surface-Enhanced Luminescence from Au Nanovoid Arrays
Authors: Lordan, Frances
Damm, Signe
Kennedy, Eamonn
Mallon, C.
Forster, Robert J.
Keyes, Tia E.
Rice, James H.
Permanent link: http://hdl.handle.net/10197/4515
Date: Dec-2013
Abstract: Studies comparing the effect of adding two different nanoparticle compositions on the plasmonic properties of Au nanovoid arrays were undertaken. Surface-enhanced resonance luminescence and surface-enhanced resonance Raman studies comparing dispersed Ag nanoparticles and Ag nanoparticle aggregates on gold nanovoid arrays were undertaken. These studies showed that using Ag nanoparticle aggregates increased both luminescence and Raman efficiency relative to when dispersed nanoparticles were used; in addition, these studies also showed that adding dispersed Ag nanoparticles supported a more reproducible enhancement in luminescence and Raman across the substrate compared to using Ag nanoparticle aggregates. Finite element analysis simulations indicated that surface plasmon polariton distribution in the sample was affected by the presence of the Ag nanoparticles on the Au nanovoid array.
Type of material: Journal Article
Publisher: Springer
Copyright (published version): 2013, Springer Science+Business Media
Keywords: NanoparticlesRamanGold nanovoid arraysLuminescence
DOI: 10.1007/s11468-013-9573-3
Language: en
Status of Item: Peer reviewed
Appears in Collections:Physics Research Collection

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