Quinazoline-based thermally activated delayed fluorescence emitters for high-performance organic light-emitting diodes with external quantum efficiencies about 28%
Pan Li, Yepeng Xiang, Shaolong Gong, Wei‐Kai Lee, Yu‐Hsin Huang, Wang Chun-yu, Chuluo Yang, Chung‐Chih Wu
Abstract
Extending the acceptor plane endows the quinazoline-based TADF emitter high Θ ‖ (79%) and high PLQY (96%). The EQE, PE, and CE are up to 27.5%, 96.5 lm W −1 , and 89.9 cd A −1 , which are competitive figures among quinazoline-based TADF emitters.
Topics & Concepts
QuinazolineMaterials scienceCommon emitterOptoelectronicsOLEDFluorescenceAcceptorQuantum efficiencyDiodePhotochemistryNanotechnologyOpticsCombinatorial chemistryChemistryPhysicsCondensed matter physicsLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials