Acceptor modulation for improving a spiro-type thermally activated delayed fluorescence emitter
Xiangdong Zhu, Chen‐Chen Peng, Fan‐Cheng Kong, Shengyi Yang, Hongcheng Li, Sarvendra Kumar, Tongtong Wang, Zuo‐Quan Jiang, Liang‐Sheng Liao
Abstract
A novel donor (D)–spiro-acceptor (A) emitter, namely 10-phenyl-10<italic>H</italic>-spiro[acridine-9,9′-fluorene]-2′,4′,7′-tricarbonitrile (<bold>SAF-3CN</bold>), was synthesized for high efficiency, yellowish green third-generation thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs).
Topics & Concepts
Common emitterOLEDFluorescenceAcridineMaterials scienceFluoreneAcceptorPhotochemistryDiodeOptoelectronicsOpticsNanotechnologyChemistryPolymerOrganic chemistryLayer (electronics)Condensed matter physicsComposite materialPhysicsOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsThin-Film Transistor Technologies