An extended π-backbone for highly efficient near-infrared thermally activated delayed fluorescence with enhanced horizontal molecular orientation
Jianli He, Yukun Tang, Kai Zhang, Yue Zhao, Yu‐Ching Lin, Chih-Kai Hsu, Chia‐Hsun Chen, Tien‐Lung Chiu, Jiun‐Haw Lee, Chuan‐Kui Wang, Chung‐Chih Wu, Jian Fan
Abstract
A novel D–A1–A2–A3 configuration has been developed for achieving NIR-TADF with EQE of 21.9% at 712 nm.
Topics & Concepts
OLEDMaterials scienceFluorescenceAcceptorConjugated systemElectroluminescenceQuantum efficiencyPhotochemistryDopingPyridineDopantOptoelectronicsChemistryNanotechnologyOpticsPolymerLayer (electronics)Organic chemistryCondensed matter physicsComposite materialPhysicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics