Blue-to-green electrophosphorescence of iridium-based cyclometallated materials

CSK Mak, A Hayer, SI Pascu, SE Watkins, AB Holmes, A Köhler, RH Friend

Chem. Commun., 37 (2005) 4708-4710

The photo- and electroluminescence properties of a series of novel, heteroleptic, mer-cyclometallated iridiumcomplexes have been fine-tuned from green to blue by changing the substituents on the pyridyl ring of the phenylpyridyl ligand. The X-ray crystal structures of two Ir-based triazolyl complexes are reported.