Intramolecular H-bond design for efficient orange–red thermally activated delayed fluorescence based on a rigid dibenzo[<i>f</i>,<i>h</i>]pyrido[2,3-<i>b</i>]quinoxaline acceptor
Feng‐Ming Xie, Xin‐Yi Zeng, Jing‐Xiong Zhou, Zhi‐Dong An, Wenjun Wang, Yanqing Li, Xiaohong Zhang, Jianxin Tang
Abstract
Tune the molecular excited state and rate constants of radiative intersystem crossing by constructing intramolecular H-bonds to achieve high-efficiency orange–red TADF-OLEDs.
Topics & Concepts
Intersystem crossingIntramolecular forceQuinoxalinePhotochemistryMaterials scienceExcited stateFluorescenceAcceptorOLEDOrange (colour)ChemistryStereochemistryNanotechnologySinglet stateOrganic chemistryAtomic physicsOpticsCondensed matter physicsPhysicsFood scienceLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials