화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2014년 봄 (04/30 ~ 05/02, 제주국제컨벤션센터)
권호 18권 1호
발표분야 포스터-정보.전자소재
제목 Synthesis of carbazole and phosphine oxide derivative as a host material for deep blue phosphorescent organic light-emitting diodes
초록 A high triplet energy of bipolar host material with substituent at 3-position of carbazole was simply synthesized as one step. Phenylbis(9-phenyl-9H-carbazol-3-yl)phosphine oxide (3DCPO) showed a high triplet energy of 3.01eV, which was high enough for deep blue phosphorescent organic light-emitting diodes. The 3DCPO host material showed high thermal stability(Tg, 133 ℃), low turn on voltage(3.5V), and high external quantum efficiency of 18.8% at 3% doping concentration.
저자 김명곤, 이준엽
소속 단국대
키워드 oled; deep blue; phosphorescent; host
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