Thermally activated delayed fluorescence OLEDs with fully solution processed organic layers exhibiting nearly 10% external quantum efficiency

被引:101
作者
Albrecht, Ken [1 ]
Matsuoka, Kenichi [2 ]
Yokoyama, Daisuke [3 ]
Sakai, Yoshiya [3 ]
Nakayama, Akira [4 ]
Fujita, Katsuhiko [2 ]
Yamamoto, Kimihisa [1 ]
机构
[1] Tokyo Inst Technol, Lab Chem & Life Sci, Midori Ku, 4259 Nagatsuta, Yokohama, Kanagawa 2268503, Japan
[2] Kyushu Univ, Inst Mat Chem & Engn, Kasuga, Fukuoka 8168580, Japan
[3] Yamagata Univ, Dept Organ Mat Sci, Yonezawa, Yamagata 9928510, Japan
[4] Hokkaido Univ, Inst Catalysis, Sapporo, Hokkaido 0010021, Japan
关键词
LIGHT-EMITTING-DIODES; HOLE-TRANSPORTING MATERIALS; HIGHLY EFFICIENT; CARBAZOLE DENDRIMERS; CHARGE-TRANSFER; HOST MATERIALS; EMISSION; POLYMERS; DEVICES; DESIGN;
D O I
10.1039/c6cc09275f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
New solution processable and laminatable terminally modified carbazole-triazine thermally activated delayed fluorescence (TADF) dendrimers are reported. An OLED device with fully solution processed organic layers exhibited an external quantum efficiency of up to 9.4% at 100 cd m(-2).
引用
收藏
页码:2439 / 2442
页数:4
相关论文
共 65 条
[1]   Solution-processed multilayer small-molecule light-emitting devices with high-efficiency white-light emission [J].
Aizawa, Naoya ;
Pu, Yong-Jin ;
Watanabe, Michitake ;
Chiba, Takayuki ;
Ideta, Kazushige ;
Toyota, Naoki ;
Igarashi, Masahiro ;
Suzuri, Yoshiyuki ;
Sasabe, Hisahiro ;
Kido, Junji .
NATURE COMMUNICATIONS, 2014, 5
[2]   Instant Low-Temperature Cross-Linking of Poly(N-vinylcarbazole) for Solution-Processed Multilayer Blue Phosphorescent Organic Light-Emitting Devices [J].
Aizawa, Naoya ;
Pu, Yong-Jin ;
Chiba, Takayuki ;
Kawata, So ;
Sasabe, Hisahiro ;
Kido, Junji .
ADVANCED MATERIALS, 2014, 26 (45) :7543-7546
[3]   The synthesis and properties of carbazole-phenylazomethine double layer-type dendrimers [J].
Albrecht, Ken ;
Kasai, Yuto ;
Kimoto, Atsushi ;
Yamamoto, Kimihisa .
MACROMOLECULES, 2008, 41 (11) :3793-3800
[4]   Carbazole Dendrimers as Solution-Processable Thermally Activated Delayed-Fluorescence Materials [J].
Albrecht, Ken ;
Matsuoka, Kenichi ;
Fujita, Katsuhiko ;
Yamamoto, Kimihisa .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2015, 54 (19) :5677-5682
[5]   Patterning Carbazole-Phenylazomethine Dendrimer Films [J].
Albrecht, Ken ;
Pernites, Roderick ;
Felipe, Mary Jane ;
Advincula, Rigoberto C. ;
Yamamoto, Kimihisa .
MACROMOLECULES, 2012, 45 (03) :1288-1295
[6]   Dendritic Structure Having a Potential Gradient: New Synthesis and Properties of Carbazole Dendrimers [J].
Albrecht, Ken ;
Yamamoto, Kimihisa .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131 (06) :2244-2251
[7]   The Fluorescence and Electroluminescence Properties of the Carbazole-Phenylazomethine Double Layer-Type Dendrimer [J].
Albrecht, Ken ;
Kasai, Yuto ;
Yamamoto, Kimihisa .
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS, 2009, 19 (01) :118-123
[8]  
[Anonymous], ADV MAT
[9]   Dendrimers Designed for Functions: From Physical, Photophysical, and Supramolecular Properties to Applications in Sensing, Catalysis, Molecular Electronics, Photonics, and Nanomedicine [J].
Astruc, Didier ;
Boisselier, Elodie ;
Ornelas, Catia .
CHEMICAL REVIEWS, 2010, 110 (04) :1857-1959
[10]   Enhanced Electron Affinity and Exciton Confinement in Exciplex-Type Host: Power Efficient Solution-Processed Blue Phosphorescent OLEDs with Low Turn-on Voltage [J].
Ban, Xinxin ;
Sun, Kaiyong ;
Sun, Yueming ;
Huang, Bin ;
Jiang, Wei .
ACS APPLIED MATERIALS & INTERFACES, 2016, 8 (03) :2010-2016