Resonant energy transfer and light scattering enhancement of plasmonic random lasers embedded with silver nanoplates.
Journal
RSC advances
ISSN: 2046-2069
Titre abrégé: RSC Adv
Pays: England
ID NLM: 101581657
Informations de publication
Date de publication:
18 Feb 2020
18 Feb 2020
Historique:
received:
12
12
2019
accepted:
14
01
2020
entrez:
2
5
2022
pubmed:
19
2
2020
medline:
19
2
2020
Statut:
epublish
Résumé
The resonant energy transfer enhancement from a plasmonic random laser (PRL) has been investigated by means of a dye-covered PVA film with embedded silver nanoplates (DC-PVA/AgNPs). Different sizes and morphologies of AgNPs were adopted to shift the localized surface plasmon resonance (LSPR) and intensify recurrent light scattering between the AgNPs. For better overlap between surface plasmon resonance and the photoluminescence of fluorescent molecules with appropriately-sized silver nanoprisms, the slope efficiency of the PRL was greatly enhanced and the lasing threshold was obviously reduced. In addition, the photon lifetime for the DC-PVA/AgNPs film reveals an apparent decline around 1.39 ns owing to better coupling with LSPR. The stronger light scattering of samples with bigger-sized silver nanoprisms has been demonstrated by coherent back scattering measurements, which reveals a smaller transport mean free path around 3.3 μm. With
Identifiants
pubmed: 35492161
doi: 10.1039/c9ra10462c
pii: c9ra10462c
pmc: PMC9049829
doi:
Types de publication
Journal Article
Langues
eng
Pagination
7551-7558Informations de copyright
This journal is © The Royal Society of Chemistry.
Déclaration de conflit d'intérêts
There are no conflicts to declare.
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