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Controlling Emitting Dipole Orientation with Methyl Substituents on Main Ligand of Iridium Complexes for Highly Efficient Phosphorescent Organic Light-Emitting Diodes
- Kim, Kwon-Hyeon;
- Ma, Jae-Yeol;
- Moon, Chang-Ki;
- Lee, Jeong-Hwan;
- Baek, Jang Yeol;
- ... Kim, Yun-Hi;
- 외 1명
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57초록
Orientation of emission dipoles of heteroleptic iridium complexes in an emitting layer is controlled toward the horizontal direction by substituting the hydrogen atoms of the cyclometalated ligand by methyl groups and demonstrates an organic light-emitting diode with an unprecedentedly high external quantum efficiency of 34.1% and power efficiency of 157.6 lm W-1 using a new green emitter. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
키워드
Iridium complex; OLEDs; Organic light-emitting diodes; Orientation of emitting dipoles; Phosphorescent dye; EXTERNAL QUANTUM EFFICIENCY; EMITTERS; MOMENTS
- 제목
- Controlling Emitting Dipole Orientation with Methyl Substituents on Main Ligand of Iridium Complexes for Highly Efficient Phosphorescent Organic Light-Emitting Diodes
- 저자
- Kim, Kwon-Hyeon; Ma, Jae-Yeol; Moon, Chang-Ki; Lee, Jeong-Hwan; Baek, Jang Yeol; Kim, Yun-Hi; Kim, Jang-Joo
- 발행일
- 2015-09
- 유형
- Article
- 권
- 3
- 호
- 9
- 페이지
- 1191 ~ 1196