A Universal Host Material for High External Quantum Efficiency Close to 25% and Long Lifetime in Green Fluorescent and Phosphorescent OLEDs

被引：238
作者：
Cho, Yong Joo [1 ]
Yook, Kyoung Soo [1 ]
Lee, Jun Yeob [1 ]
机构：
[1] Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi, South Korea
来源：
ADVANCED MATERIALS | 2014年 / 26卷 / 24期
基金：
新加坡国家研究基金会;
关键词：
universal host; green host; high quantum efficiency; phosphorescent device; delayed fluorescent device; ACTIVATED DELAYED FLUORESCENCE; LIGHT-EMITTING-DIODES; DEVICES;
D O I：
10.1002/adma.201400347
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
High quantum efficiency close to 25% and long lifetime in green thermally activated delayed fluorescent and phosphorescent organic light emitting diodes are achieved using universal 3′,5′-di(carbazol-9-yl)-[1,1′- biphenyl]-3,5-dicarbonitrile host material. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：4050 / 4055
页数：6
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  • [1] Highly efficient phosphorescent emission from organic electroluminescent devices
    Baldo, MA
    O'Brien, DF
    You, Y
    Shoustikov, A
    Sibley, S
    Thompson, ME
    Forrest, SR
    [J]. NATURE, 1998, 395 (6698) : 151 - 154
  • [2] High efficiency blue phosphorescent organic light-emitting device
    Chopra, Neetu
    Lee, Jaewon
    Zheng, Ying
    Eom, Sang-Hyun
    Xue, Jiangeng
    So, Franky
    [J]. APPLIED PHYSICS LETTERS, 2008, 93 (14)
  • [3] Triplet Harvesting with 100% Efficiency by Way of Thermally Activated Delayed Fluorescence in Charge Transfer OLED Emitters
    Dias, Fernando B.
    Bourdakos, Konstantinos N.
    Jankus, Vygintas
    Moss, Kathryn C.
    Kamtekar, Kiran T.
    Bhalla, Vandana
    Santos, Jose
    Bryce, Martin R.
    Monkman, Andrew P.
    [J]. ADVANCED MATERIALS, 2013, 25 (27) : 3707 - 3714
  • [4] New Host Containing Bipolar Carrier Transport Moiety for High-Efficiency Electrophosphorescence at Low Voltages
    Gao, Zhi Qiang
    Luo, Meiming
    Sun, Xiao Hua
    Tam, Hoi Lam
    Wong, Man Shing
    Mi, Bao Xiu
    Xia, Ping Fang
    Cheah, Kok Wai
    Chen, Chin Hsin
    [J]. ADVANCED MATERIALS, 2009, 21 (06) : 688 - +
  • [5] Organic light-emitting diodes employing efficient reverse intersystem crossing for triplet-to-singlet state conversion
    Goushi, Kenichi
    Yoshida, Kou
    Sato, Keigo
    Adachi, Chihaya
    [J]. NATURE PHOTONICS, 2012, 6 (04) : 253 - 258
  • [6] Blue organic electrophosphorescence using exothermic host-guest energy transfer
    Holmes, RJ
    Forrest, SR
    Tung, YJ
    Kwong, RC
    Brown, JJ
    Garon, S
    Thompson, ME
    [J]. APPLIED PHYSICS LETTERS, 2003, 82 (15) : 2422 - 2424
  • [7] External Quantum Efficiency Above 20% in Deep Blue Phosphorescent Organic Light-Emitting Diodes
    Jeon, Soon Ok
    Jang, Sang Eok
    Son, Hyo Suk
    Lee, Jun Yeob
    [J]. ADVANCED MATERIALS, 2011, 23 (12) : 1436 - 1441
  • [8] Above 30% External Quantum Efficiency in Blue Phosphorescent Organic Light-Emitting Diodes Using Pyrido[2,3-b]indole Derivatives as Host Materials
    Lee, Chil Won
    Lee, Jun Yeob
    [J]. ADVANCED MATERIALS, 2013, 25 (38) : 5450 - 5454
  • [9] High-efficiency organic light-emitting diodes utilizing thermally activated delayed fluorescence from triazine-based donor-acceptor hybrid molecules
    Lee, Sae Youn
    Yasuda, Takuma
    Nomura, Hiroko
    Adachi, Chihaya
    [J]. APPLIED PHYSICS LETTERS, 2012, 101 (09)
  • [10] Highly Efficient Organic Light-Emitting Diode Based on a Hidden Thermally Activated Delayed Fluorescence Channel in a Heptazine Derivative
    Li, Jie
    Nakagawa, Tetsuya
    MacDonald, James
    Zhang, Qisheng
    Nomura, Hiroko
    Miyazaki, Hiroshi
    Adachi, Chihaya
    [J]. ADVANCED MATERIALS, 2013, 25 (24) : 3319 - 3323
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