Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 43, Pages 11616-11619Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201407475
Keywords
diastereomers; iridium; ligand design; luminescence; OLEDs
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Funding
- EPSRC
- EPSRC [EP/I013695/1, EP/I016635/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I013695/1, EP/I016635/1] Funding Source: researchfish
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Two phosphorescent dinuclear iridium(III) diastereomers (/) and (/) are readily separated by making use of their different solubilities in hot hexane. The bridging diarylhydrazide ligand plays an important role in the electrochemistry and photophysics of the complexes. Organic light-emitting devices (OLEDs) that use these complexes as the green-emissive dopants in solution-processable single-active-layer architectures feature electroluminescence efficiencies that are remarkably high for dinuclear metal complexes, achieving maximum values of 37cdA(-1), 14lmW(-1), and 11% external quantum efficiency.
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