Highly efficient pure organic near-ultraviolet (NUV) electro-fluorescent materials with high electron mobility and improved hole mobility
Huayi Zhou, Runze Wang, Mizhen Sun, Yannan Zhou, Li Zhang, Jingru Song, Qikun Sun, Shi-Tong Zhang, Wenjun Yang, Shanfeng Xue
Abstract
In this work, OLEDs based on the D–π–A molecules exhibit bright near-ultraviolet (NUV) to blue emission. Remarkably, doping achieves more balanced mobilities. Ultimately, highly efficient NUV-doped OLEDs with a 14.5% EQE for 9-PCZCFTZ were achieved.
Topics & Concepts
UltravioletFluorescenceElectron mobilityElectronMaterials scienceOptoelectronicsPhotochemistryChemistryChemical physicsOpticsPhysicsQuantum mechanicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics