期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 181, 期 -, 页码 56-60出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2015.10.016
关键词
Phosphorescence; Iridium complex; Organic light-emitting diode
We herein report a series of charged iridium(III) complexes with a neutral bidentate ligand for blue phosphorescent emitter. A molecular design bearing a 2-(3,5-dimethyl-1H-pyrazol-1-yl)pyridine ligand proved suitable for efficient blue emission according to the comparison of photoluminescent properties of the complexes. Its Commission Internationale de L'Eclairage x,y-coordinates (CIEx,y) in solution was estimated to be (0.17, 0.18), indicating that the complex with the ligand is a promising candidate for deep-blue emitter. We further demonstrated that this complex displays blue electroluminescence by successfully integrating it in a light-emitting device. (C) 2015 Elsevier B.V. All rights reserved.
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