Fig. 4: Normalized photoluminescence spectra of Ir(III) complexes doped in mixed host.
From: Ancillary ligand increases the efficiency of heteroleptic Ir-based triplet emitters in OLED devices
The mixed host is composed with the 1:1 mixture of 9,9′-diphenyl-9H,9′H-3,3′-bicarbazole (DP-BCZ) and 5-(3-4,6-diphenyl-1,3,5-triazin-2-yl)phenyl-3,9-diphenyl-9H-carbazole (PTZP-PCZ).
