期刊
TETRAHEDRON LETTERS
卷 58, 期 37, 页码 3598-3601出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2017.07.091
关键词
Iridium(III) complexes; Organic light-emitting diodes; Phosphorescence; Structure-property relationships; Triazole derivatives
资金
- National Natural Scientific Foundation of China [51473078, 21671108, 61605138]
- National Program for Support of Top-Notch Young Professionals, Scientific and Technological Innovation Teams of Colleges and Universities in Jiangsu Province [TJ215006]
- Priority Academic Program Development of Jiangsu Higher Education Institutions [YX03001]
- K. C. Wong Education Foundation-Hong Kong Baptist University (HKBU) Fellowship Programme
- Key Innovative Research Team in Science and Technology in Shanxi Province [201513002-10]
- Natural Science Foundation of Shanxi Province [201601D011031, 201601D021018]
- University Scientific and Technical Innovation Project of Shanxi Province [2016135]
A novel and highly efficient thiophenquinolone-based red iridium(III) complex bearing a bulky fluorophenyl moiety is designed and synthesized. The complex shows intensive red phosphorescence (596 nm with shoulder at 642 nm), high photoluminescence efficiency (0.62) and broad full width at half maximum (81 nm). The bulky fluorophenyl moiety introduced into the complex could improve the efficiency of electroluminescence with the maximum current efficiency, power efficiency and the external quantum efficiency up to 29.0 cd/A, 30.41m/W and 17.6% due to the effective steric hindrance in solid states. (C) 2017 Elsevier Ltd. All rights reserved.
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