| 초록 |
The new anthracene derivatives including diazocine, (5S,11S)-2,8-bis(10-phenylanthracen-9-yl)-6,12-dihydro-5,11-ethanodibenzo[b,f][1,5]diazocine (AK-P) and (5S,11S)-4,4-((6,12-dihydro-5,11-methanodibenzo [b,f][1,5]diazocine-2,8-diyl)bis(anthracene-10,9-diyl))-dibenzonitrile (AK�PCN) have been successfully synthesized and characterized. The ultraviolet-visible (UV-Vis) absorption of AK-P and AK-PCN showed in the range of 354 to 393 and exhibited maximum photoluminescence (PL) emissions at 458 and 463 nm, respectively in the film state. This slight red-shift in PL spectra of AK-PCN may be due to the polarity of the CN, electron withdrawing group. Using the AK-P as an emitting layer (EML), a non-doped organic light emitting diode (OLED) device resulted in blue emission with current efficiency of 1.37 cd/A and C.I.E. of (0.20, 0.25). AK-P exhibited a higher EL efficiency than that of AK-PCN. |
