Derivatives of Imidazole and Carbazole as Bifunctional Materials for Organic Light-Emitting Diodes.
carbazole
emitter
host
imidazole
luminescence
organic light-emitting diode
upconversion
Journal
Materials (Basel, Switzerland)
ISSN: 1996-1944
Titre abrégé: Materials (Basel)
Pays: Switzerland
ID NLM: 101555929
Informations de publication
Date de publication:
29 Nov 2022
29 Nov 2022
Historique:
received:
11
11
2022
revised:
24
11
2022
accepted:
26
11
2022
entrez:
11
12
2022
pubmed:
12
12
2022
medline:
12
12
2022
Statut:
epublish
Résumé
New derivatives of carbazole and diphenyl imidazole for potential multiple applications were synthesized and investigated. Their properties were studied by thermal, optical, photophysical, electrochemical, and photoelectrical measurements. The compounds exhibited relatively narrow blue light-emission bands, which is favorable for deep-blue electroluminescent devices. The synthesized derivatives of imidazole and carbazole were tested as fluorescent emitters for OLEDs. The device showed deep-blue emissions with CIE color coordinates of (0.16, 0.08) and maximum quantum efficiency of 1.1%. The compounds demonstrated high triplet energy values above 3.0 eV and hole drift mobility exceeding 10
Identifiants
pubmed: 36499990
pii: ma15238495
doi: 10.3390/ma15238495
pmc: PMC9739035
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : European Social Fund
ID : No 09.3.3-LMT-K-712-19-0136
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