| 학회 |
한국고분자학회 |
| 학술대회 |
2020년 가을 (10/05 ~ 10/08, 부산컨벤션센터(BEXCO)) |
| 권호 |
45권 1호 |
| 발표분야 |
분자전자 부문위원회 I |
| 제목 |
Synthesis and characterization of circularly polarized light-emitting liquid crystalline fluorene-based compounds with chiral alkyl groups |
| 초록 |
Isotropic light reduces the efficiency of the OLED as it passes through the polarizer. When polarized light is generated in the light-emitting layer of the device, the efficiency can be improved. In particular, the light emitting material which emits circular polarized light can further improved the efficiency of OLED. In this study, chiral flexible chains introduced into the central fluorene unit and terminal of mesogen were suitable to exhibit cholesteric liquid crystal phase and circular polarized light emission. Mesogenic conjugated compounds capable of circular polarized light emission were synthesized by Suzuki coupling reaction. The structure of compounds were identified by 1H-NMR and FT/IR spectrometry. The thermal and liquid crystalline behavior were investigated by DSC and POM. The absorption and emission properties were investigated by UV-Vis and PL spectrometry. |
| 저자 |
김서영1, 최이준1, 유창재2, 김재훈2
|
| 소속 |
1금오공과대, 2한양대 |
| 키워드 |
OLED; chiral; liquid crystal; circular polarization
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| E-Mail |
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