Synthesis and photoelectric properties of a solution-processable yellow-emitting iridium(iii) complex†
Abstract
A solution-processable yellow-light-emitting heteroleptic phosphorescent Ir(III) complex of (CzhBTZ)2Ir(fpptz) [CzhBTZ: (2-[2-(6-(9-carbazolyl)hexyl)phenyl]benzothiazole) fpptz: (2-(5-(4-fluorophenyl)-2H-1,2,4-triazol)-3-yl)] was synthesized. Its photophysical, thermal and electroluminescence properties were investigated. Phosphorescent organic light-emitting diodes (PhOLEDs) using (CzhBTZ)2Ir(fpptz) doping in (4,4′-bis(N-carbazolyl)-1,1′-biphenyl) as the emitting layer were prepared by spin-coating with a maximum peak at 533 nm, and International Commission on Illumination (CIE) coordinates of (0.42, 0.56).