Efficient near-infrared emission benefits from slowing down the internal conversion process
Mingliang Xie, Yannan Zhou, Huayi Zhou, Chengling Ma, Qikun Sun, Shitong Zhang, Yujian Zhang, Wenjun Yang, Shanfeng Xue
Abstract
This work demonstrates for the first time that emitters with appropriate qualifications can affect the IC from S 1 to S 0 and the IC of the triple excluded state, achieving high-efficiency device performance.
Topics & Concepts
ElectroluminescenceOLEDQuantum yieldPhotoluminescenceQuantum efficiencyExcited stateMaterials scienceOptoelectronicsInfraredDopingExcitonNear-infrared spectroscopyRadiative transferFluorescenceOpticsNanotechnologyAtomic physicsPhysicsQuantum mechanicsLayer (electronics)Organic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics