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A novel hot exciton blue fluorophores and white organic light-emitting diodes with simplified configuration.

ABSTRACT: The two efficient non-doped blue emitters with hybridized local and charge transfer state namely, NDBNPIN and DBTPIN have been synthesised and characterised. These materials are employed as a host for green and red phosphorescent OLEDs. The white device based on DBTPIN:Ir(MDQ)2(acac) (4%) exhibit maximum external quantum efficiency (?ex) -24.8%; current efficiency (?c) -57.1 cdA-1; power efficiency (?p) -64.8 lmW-1 with Commission Internationale de l'Eclairage (CIE:0.49, 0.40) than NDBNPIN:Ir(MDQ)2acac (4%) device [?ex?-?23.1%; ?c -54.6?cd?A-1; ?p- 60.0?lm?W-1 with CIE (0.47, 0.42)].

SUBMITTER: Jayabharathi J 

PROVIDER: S-EPMC7083847 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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A novel hot exciton blue fluorophores and white organic light-emitting diodes with simplified configuration.

Jayabharathi Jayaraman J   Panimozhi Sekar S   Thanikachalam Venugopal V  

Scientific reports 20200320 1

The two efficient non-doped blue emitters with hybridized local and charge transfer state namely, NDBNPIN and DBTPIN have been synthesised and characterised. These materials are employed as a host for green and red phosphorescent OLEDs. The white device based on DBTPIN:Ir(MDQ)<sub>2</sub>(acac) (4%) exhibit maximum external quantum efficiency (η<sub>ex</sub>) -24.8%; current efficiency (η<sub>c</sub>) -57.1 cdA<sup>-1</sup>; power efficiency (η<sub>p</sub>) -64.8 lmW<sup>-1</sup> with Commission  ...[more]

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