Highly efficient deep-blue fluorescent OLEDs based on anthracene derivatives with a triplet–triplet annihilation mechanism
Zilong Wu, Shaoxin Song, Xiangyu Zhu, Hao Chen, Jiajin Chi, Dongge Ma, Zujin Zhao, Ben Zhong Tang
Abstract
New deep-blue molecules compromised of tert -butyl modified anthracene, p -benzonitrile, and carbazole derivatives provide external quantum yields of 7.03% and 7.28% in non-doped and doped deep-blue OLEDs, respectively.
Topics & Concepts
AnthraceneBenzonitrileOLEDFluorescencePhotochemistryCarbazoleAnnihilationDopingBlue lightMaterials scienceMoleculeMechanism (biology)ChemistryOptoelectronicsNanotechnologyOrganic chemistryOpticsPhysicsLayer (electronics)Quantum mechanicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics