Highly efficient room-temperature organic afterglow achieved by collaboration of luminescent dimeric TADF dopants and rigid matrices
Bei Zhou, Guangming Wang, Xuepu Wang, Wang Guo, Junbo Li, Kaka Zhang
Abstract
Dopant–matrix systems of difluoroboron β-diketonate TADF emitters and rigid crystalline tetralone matrices display greenish yellow afterglow emission that can last for 4 s and possess an afterglow quantum yield up to 26% under ambient conditions.
Topics & Concepts
AfterglowDopantMaterials scienceLuminescenceQuantum yieldYield (engineering)Matrix (chemical analysis)PhotoluminescencePhotochemistryOptoelectronicsDopingFluorescenceOpticsComposite materialChemistryPhysicsAstronomyGamma-ray burstLuminescence and Fluorescent MaterialsOrganic Light-Emitting Diodes ResearchMolecular Sensors and Ion Detection