Journal
SYNTHETIC METALS
Volume 198, Issue -, Pages 131-136Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2014.09.026
Keywords
Iridium complex; Acetylacetonate; OLED; Phosphorescence; Electroluminescence
Funding
- CNRS
- Aix-Marseille University
- Institut Carnot STAR
- Natural Science and Engineering Research Council of Canada (NSERC)
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A series of four heteroleptic iridium (III) complexes comprising acetylacetonate as the ancillary ligand is synthesized and tested as phosphorescent dopants in OLEDs. It was found that the substitution pattern of the cyclometalated ligand strongly influences the device performance. Notably, reduced device performances were observed for the fluorinated complexes as a result of poor exciton confinement in the guest molecules. (C) 2014 Elsevier B.V. All rights reserved.
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