Naphthyl-Fused Phosphepines: Luminescent Contorted Polycyclic P-Heterocycles.
P-heterocycles
density function calculations
optical properties
organic light-emitting diodes
pi-conjugated systems
Journal
Chemistry (Weinheim an der Bergstrasse, Germany)
ISSN: 1521-3765
Titre abrégé: Chemistry
Pays: Germany
ID NLM: 9513783
Informations de publication
Date de publication:
06 Feb 2020
06 Feb 2020
Historique:
received:
30
09
2019
pubmed:
5
12
2019
medline:
5
12
2019
entrez:
5
12
2019
Statut:
ppublish
Résumé
This article presents the synthesis of a new family of naphthyl-fused phosphepines through Ni-mediated C-C coupling. Interestingly, the chlorophosphine oxide intermediate shows strong resistance toward oxidation/hydrolysis owing to a combination of steric hindrance and pnictogen interactions. However, it can undergo substitution reactions under specific conditions. The optical/redox properties and the electronic structure of these new π-systems were studied experimentally (UV/Vis absorption, emission, cyclic voltammetry) and computationally (TD-DFT calculations, NICS investigation). Taking advantage of the luminescence of these derivatives, a blue-emitting OLED has been prepared, highlighting that these novel π-conjugated P-heterocycles appear to be promising building blocks for solid-state lighting applications.
Identifiants
pubmed: 31799704
doi: 10.1002/chem.201904490
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1856-1863Subventions
Organisme : Agence Nationale de la Recherche
ID : 16-CE05-0003-01, 17-CE09-0020
Informations de copyright
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
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