Achieving highly efficient narrowband sky-blue electroluminescence with alleviated efficiency roll-off by molecular-structure regulation and device-configuration optimization
Xianju Yan, Zhiqiang Li, Qingyang Wang, Yupei Qu, Yincai Xu, Yue Wang
Abstract
B–N-containing emitter based MR-TADF OLEDs exhibiting a narrowband sky-blue emission with the FWHM of 29 nm, the maximum EQE of 31.0% and low efficiency roll-off were achieved by molecular regulation and device optimization.
Topics & Concepts
NarrowbandMaterials scienceElectroluminescenceCommon emitterFull width at half maximumSkyOptoelectronicsOLEDOpticsNanotechnologyAstrophysicsPhysicsLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials