Deep-blue fluorescent emitter based on a 9,9-dioctylfluorene bridge with a hybridized local and charge-transfer excited state for organic light-emitting devices with EQE exceeding 8%
Xing Liu, Wen Liu, Wu Dongyu, Xiaozhen Wei, Long Wang, Hua Wang, Yanqin Miao, Huixia Xu, Junsheng Yu, Bingshe Xu
Abstract
The doped device of <bold>TPA-DFCP</bold> exhibits excellent deep-blue emission with the EL emission peak at 436 nm and the CIE coordinates at (0.153, 0.077), and excellent EL performance with a maximum external quantum efficiency (EQE) of 8.30%.
Topics & Concepts
Materials scienceCommon emitterQuantum efficiencyFluorescenceExcited stateOptoelectronicsDopingCharge (physics)PhotochemistryOLEDAnalytical Chemistry (journal)Atomic physicsOpticsNanotechnologyPhysicsChemistryLayer (electronics)Quantum mechanicsChromatographyOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials