Luminescent Neutral Platinum Complexes Bearing an Asymmetric N^N^N Ligand for High-Performance Solution-Processed OLEDs

Luminescent Neutral Platinum Complexes Bearing an Asymmetric N^N^N Ligand for High-Performance Solution-Processed OLEDs

The synthesis and full characterization of new platinum complexes bearing a bulky asymmetric dianionic tridentate ligand is reported. The hindrance of the ligand prevents detrimental intermolecular interactions yielding to highly emitting species in both crystalline state and thin‐film. Such propert...

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Veröffentlicht in:Advanced materials (Weinheim) 2013-01, Vol.25 (3), p.437-442
Hauptverfasser: Cebrián, Cristina, Mauro, Matteo, Kourkoulos, Dimitrios, Mercandelli, Pierluigi, Hertel, Dirk, Meerholz, Klaus, Strassert, Cristian A., De Cola, Luisa
Format: Artikel
Sprache:eng
Schlagworte:
asymmetric
Chemical Sciences
Coordination chemistry
luminescence
Material chemistry
OLED
or physical chemistry
Organic chemistry
Physics
platinum complexes
Theoretical and
tridentate ligand
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Beschreibung
Zusammenfassung:The synthesis and full characterization of new platinum complexes bearing a bulky asymmetric dianionic tridentate ligand is reported. The hindrance of the ligand prevents detrimental intermolecular interactions yielding to highly emitting species in both crystalline state and thin‐film. Such properties prompted their successful use in solution‐processed OLEDs, showing remarkable external quantum efficiency up to 5.6%.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201202123