| 초록 |
A new dual core derivative of 1-(3,5-dipyrid-3-yl-phenyl)-6-(10-(3,5-dipyrid-3-yl-phenyl)-anthracen9-yl)-pyrene (3P-AP-3P) was synthesized by introducing pyridine groups. 1-[1,1;3,1]Terphenyl5-yl-6-(10-[1,1;3,1]terphenyl-5-yl-anthracen-9-yl)-pyrene (TP-AP-TP) was used to compare with 3P-AP-3P. Unlike TP-AP-TP, 3P-AP-3P exhibited an excimer emission at 602 nm by introducing pyridine groups despite its highly twisted core. Two materials were used as emitting layer (EML) in OLED devices: ITO/2-TNATA (60 nm)/NPB (15 nm)/the synthesized materials (35 nm)/Alq3 (20 nm)/LiF (1 nm)/Al (200 nm). The 3P-AP-3P device exhibited EL maximum values at 463 nm and 601 nm. |
