A multi-resonance emitter with five-membered thiophene as the π-core enables efficient, narrowband and reduced efficiency roll-off OLEDs
Linjie Li, Jiaqi Li, Lixiao Guo, Yincai Xu, Yifan Bi, Yexuan Pu, Pingping Zheng, Xiankai Chen, Yue Wang, Chenglong Li
Abstract
A multi-resonance thermally activated delayed fluorescence emitter with five-membered thiophene as the π-core is first developed. The corresponding OLEDs exhibit high efficiency, narrowband emission and reduced efficiency roll-off simultaneously.
Topics & Concepts
OLEDCommon emitterNarrowbandThiopheneCore (optical fiber)OptoelectronicsMaterials scienceResonance (particle physics)Modular designNanotechnologyComputer scienceChemistryTelecommunicationsPhysicsAtomic physicsOrganic chemistryLayer (electronics)Composite materialOperating systemOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications