Natural Born Laser Dyes: Excited-State Intramolecular Proton Transfer (ESIPT) Emitters and Their Use in Random Lasing Studies.
ESIPT
ab initio calculations
excited states
fluorescence
random lasing
Journal
Nanomaterials (Basel, Switzerland)
ISSN: 2079-4991
Titre abrégé: Nanomaterials (Basel)
Pays: Switzerland
ID NLM: 101610216
Informations de publication
Date de publication:
30 Jul 2019
30 Jul 2019
Historique:
received:
27
06
2019
revised:
21
07
2019
accepted:
25
07
2019
entrez:
2
8
2019
pubmed:
2
8
2019
medline:
2
8
2019
Statut:
epublish
Résumé
A series of five excited-state intramolecular proton transfer (ESIPT) emitters based on a 2-(2'-hydroxyphenyl) benzoxazole (HBO) scaffold, functionalized with a mono-or bis-(trialkylsilyl) acetylene extended spacer are presented. Investigation of their photophysical properties in solution and in the solid-state in different matrix, along with ab initio calculations gave useful insights into their optical behavior. Random lasing studies were conducted on a series of PMMA doped thin films, showing the presence of stimulated emission above the threshold of pumping energy density (ρth ≈ 0.5-2.6 mJ cm
Identifiants
pubmed: 31366091
pii: nano9081093
doi: 10.3390/nano9081093
pmc: PMC6723810
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Narodowe Centrum Nauki
ID : 2016/21/B/ST8/00468
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