Dewetting Metal Nanofilms-Effect of Substrate on Refractive Index Sensitivity of Nanoplasmonic Gold.
dewetting
localized surface plasmonic resonance
metal nanofilm
refractive index sensitivity
Journal
Nanomaterials (Basel, Switzerland)
ISSN: 2079-4991
Titre abrégé: Nanomaterials (Basel)
Pays: Switzerland
ID NLM: 101610216
Informations de publication
Date de publication:
27 Oct 2019
27 Oct 2019
Historique:
received:
24
09
2019
revised:
24
10
2019
accepted:
25
10
2019
entrez:
14
11
2019
pubmed:
14
11
2019
medline:
14
11
2019
Statut:
epublish
Résumé
The localized surface plasmon resonance (LSPR) sensitivity of metal nanostructures is strongly dependent on the interaction between the supporting substrate and the metal nanostructure, which may cause a change in the local refractive index of the metal nanostructure. Among various techniques used for the development of LSPR chip preparation, solid-state dewetting of nanofilms offers fast and cost effective methods to fabricate large areas of nanostructures on a given substrate. Most of the previous studies have focused on the effect of the size, shape, and inter-particle distance of the metal nanostructures on the LSPR sensitivity. In this work, we reveal that the silicon-based supporting substrate influences the LSPR associated refractive index sensitivity of gold (Au) nanostructures designed for sensing applications. Specifically, we develop Au nanostructures on four different silicon-based ceramic substrates (Si, SiO
Identifiants
pubmed: 31717894
pii: nano9111530
doi: 10.3390/nano9111530
pmc: PMC6915419
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : National Research Foundation of Korea
ID : NRF-2017R1D1A1B03028984
Organisme : Japan Society for the Promotion of Science
ID : 17K06173
Organisme : Japan Society for the Promotion of Science
ID : 18H01135
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