Regio-isomer enabling efficient red TADF emitters based on pyridobenzoquinoxaline
Suraj Kumar Pathak, Ganggang Li, Changjiang Zhou, Zhiming Wang, He Liu
Abstract
Two pairs of regio-isomeric V- and T-shaped red thermally activated delayed fluorescent molecules involving a new acceptor pyridobenzoquinoxaline are developed, which enable high external quantum efficiencies up to 12.9%.
Topics & Concepts
Materials scienceFluorescenceAcceptorMoleculeQuantum efficiencyQuantumPhotochemistryOptoelectronicsOrganic chemistryChemistryOpticsPhysicsCondensed matter physicsQuantum mechanicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsLanthanide and Transition Metal Complexes