Molecular Crystals and Liquid Crystals p. 34 - 39 (2017)
Update date:2022-08-11
Topics:
Lee, Hayoon
Jung, Hyocheol
Jo, Minjin
Shin, Dong-Hee
Kay, Kwang-Yol
Park, Jongwook
New carbazole derivatives including coumarin moiety, 7-(3-Carbazol-9-yl-phenyl)-chromen-2-one (C-PCa), 7-(9-Phenyl-9H-carbazol-3-yl)-chromen-2-one (PCa-C), 7-[9-(3-Carbazol-9-yl-phenyl)-9H-carbazol-3-yl]-chromen-2-one (PDCa-C) were synthesized by Suzuki reaction. A non-doped OLED was fabricated using the synthesized material as emitting materials. Among the three synthesized compounds, PDCa-C showed the highest efficiency with current efficiency of 1.34 cd/A and C.I.E of (0.18, 0.23) in the current density 10?mA/cm2.
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