Solution-processed white OLEDs with power efficiency over 90 lm W<sup>−1</sup> by triplet exciton management with a high triplet energy level interfacial exciplex host and a high reverse intersystem crossing rate blue TADF emitter
Liang Chen, Yufei Chang, Song Shi, Shumeng Wang, Lixiang Wang
Abstract
Power-efficient solution-processed TADF/phosphorescence hybrid and all-TADF white organic light-emitting diodes (WOLEDs) are developed by triplet exciton management, which exhibit state-of-the-art power efficiencies (PEs) up to 93.5 and 70.4 lm W −1 , respectively.
Topics & Concepts
Intersystem crossingOLEDPhosphorescenceExcimerExcitonMaterials scienceDiodeOptoelectronicsTriplet statePhotochemistrySinglet stateFluorescenceChemistryOpticsNanotechnologyPhysicsAtomic physicsExcited stateLayer (electronics)Condensed matter physicsOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications