Highly Efficient Blue Phosphorescence from Triarylboron-Functionalized Platinum(II) Complexes of N‑Heterocyclic Carbenes

The first examples of BMes2-functionalized NHC chelate ligands have been achieved. Their Pt­(II) acetylacetonate complexes have been synthesized and fully characterized. These NHC-chelate Pt­(II) compounds display highly efficient blue or blue-green phosphorescence in solution (Φ = 0.41–0.87) and th...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2012-08, Vol.134 (34), p.13930-13933
Main Authors: Hudson, Zachary M, Sun, Christina, Helander, Michael G, Chang, Yi-Lu, Lu, Zheng-Hong, Wang, Suning
Format: Article
Language:English
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Summary:The first examples of BMes2-functionalized NHC chelate ligands have been achieved. Their Pt­(II) acetylacetonate complexes have been synthesized and fully characterized. These NHC-chelate Pt­(II) compounds display highly efficient blue or blue-green phosphorescence in solution (Φ = 0.41–0.87) and the solid state (Φ = 0.86–0.90). Highly efficient electroluminescent devices based on these new Pt­(II) compounds have also been fabricated.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja3048656