| 초록 |
TP-AA-TPB, TP-AA-TPB, TPB-AA-TPB, TP-AA-DPA, TP-AA-TPA, and TPB-AA-TPA were synthesized using a 9,9'-bianthracene (AA core). Through a systematic side group change, we optimized the dual-core chromophore system and investigated the relationship between the core and the side groups. The ultraviolet-visible (UV-Vis) absorption of the six materials showed an intrinsic absorption peaks of anthracene in the range of 360 nm ~ 410 nm and photoluminescence (PL) emission in the blue region. The minimum decomposition temperatures (Td) was 425 oC, the minimum melting temperatures (Tm) was 335 oC, and the minimum glass transition temperatures (Tg) was 176 oC. TPB-AA-TPA synthesized through size and polarity optimization of the side groups on the AA core had a current efficiency of 8.97 cd/A, power efficiency of 4.43 lm/W, external quantum efficiency (EQE) of 6.37%, and Commission Internationale de L'Eclairage coordinates (CIE) of (0.14, 0.19). |
