| 초록 |
Three new asymmetric light emitting organic compounds were synthesized with diphenylamine or triphenylamine side groups; 10-(3,5-diphenylphenyl)-N,N-diphenylanthracen-9-amine (DPPDADa), 4-(10-(3,5-diphenylphenyl)anthracen-9-yl)-N,N-diphenylaniline (DPPADa), and 4-(10-(30,50-diphenylbiphenyl-4-yl)anthracen-9-yl)-N,N-diphenylaniline (DPBPADa). DPPADa and DPBPADa had a PLmax at 463 nm in the blue region, and DPPADa had a PLmax at 498 nm. DPPADa and DPPADa had Tg values greater than 120 ꠓC, and DPBPADa had a Tg of 139 ꠓC. EL devices containing the synthesized compounds were fabricated in the configuration: ITO/2-TNATA (60 nm)/NPB (15 nm)/DPPDADa or DPPADa or DPBPADa or MADN (30 nm)/Alq3 (30 nm)/LiF (1 nm)/Al (200 nm). The efficiency and color coordinate values (respectively) were 10.3 cd/A and (0.199, 0.152; bluish-green) for the DPPDADa device, 4.67 cd/A and (0.151, 0.177) for the DPPADa device, and 6.07 cd/A and (0.149, 0.177) for the DPBPADa device. |
