| 학회 |
한국고분자학회 |
| 학술대회 |
2020년 가을 (10/05 ~ 10/08, 부산컨벤션센터(BEXCO)) |
| 권호 |
45권 1호 |
| 발표분야 |
분자전자 부문위원회 I |
| 제목 |
Highly-Efficient Phosphorescent Organic Light-Emitting Diodes with Horizontal Oriented Iridium(III) Complexes |
| 초록 |
The synthesized green iridium(III) complex dopants with ancillary ligands of homoleptic or heteroleptic structure were characterized. The green phosphorescent OLEDs with 2,2’,6,6’-tetramethylheptanedionate (tmd) dopant exhibit higher device efficiencies of 20.9 %, 77.8 cd/A, 69.8 lm/W than that of the conventional Ir(ppy)3 emitter of 17.6 %, 60.2 cd/A, 52.6 lm/W. The high efficiency OLEDs containing tmd ligand can be explained due to preferred dipole orientation in horizontal direction which shows the relatively strong intensity at χ=0 and narrow azimuthal intensity distribution in 2D-GIWAXD. This research supported by NRF-2019R1I1A1A01064203 of Korea grant. |
| 저자 |
손선영1, 전현진2, 안형주3, 정성준1, 권순기2, 김윤희2
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| 소속 |
1포스텍 창의IT융합공학과, 2경상대, 3포항가속기(연) |
| 키워드 |
Organic Light-Emitting Diodes; Molecular Orientation; GI-WAXD; Ancillary Ligand
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| E-Mail |
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