Multiphosphine-Oxide Hosts for Ultralow-Voltage-Driven True-Blue Thermally Activated Delayed Fluorescence Diodes with External Quantum Efficiency beyond 20%

被引：159
作者：
Zhang, Jing [1 ,2 ]
Ding, Dongxue [1 ,2 ]
Wei, Ying [1 ,2 ,3 ,4 ]
Han, Fuquan [1 ,2 ]
Xu, Hui [1 ,2 ,3 ,4 ]
Huang, Wei [3 ,4 ]
机构：
[1] Heilongjiang Univ, Minist Educ, Key Lab Funct Inorgan Mat Chem, 74 Xuefu Rd, Harbin 150080, Peoples R China
[2] Heilongjiang Univ, Minist Educ, Sch Chem & Mat Sci, 74 Xuefu Rd, Harbin 150080, Peoples R China
[3] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
[4] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Inst Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 03期
关键词：
LIGHT-EMITTING-DIODES; HIGH TRIPLET ENERGY; DEVICES; EXCITON; ELECTROLUMINESCENCE; LUMINESCENCE; COMPLEX; YELLOW; CHARGE; STATE;
D O I：
10.1002/adma.201502772
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Highly efficient low-voltage-driven true-blue thermally activated delayed fluorescence diodes are realized through employing a tri-phosphine oxide host (2,2',4-tris(di(phenyl)phosphoryl)-diphenylether (DPETPO)) with a record external quantum efficiency of 23.0% and the lowest onset voltage of 2.8 V to date.
引用
收藏
页码：479 / +
页数：8
相关论文
共 43 条
[11]   Quenching effects in organic electrophosphorescence [J].
Kalinowski, J ;
Stampor, W ;
Mezyk, J ;
Cocchi, M ;
Virgili, D ;
Fattori, V ;
Di Marco, P .
PHYSICAL REVIEW B, 2002, 66 (23) :1-15
[12]   Omni-directional reflectors for light-emitting diodes [J].
Kim, Jong Kyu ;
Xi, J. -Q. ;
Schubert, E. Fred .
LIGHT-EMITING DIODES: RESEARCH, MANUFACTURING, AND APPLICATIONS X, 2006, 6134
[13]   Stable Blue Thermally Activated Delayed Fluorescent Organic Light-Emitting Diodes with Three Times Longer Lifetime than Phosphorescent Organic Light-Emitting Diodes [J].
Kim, Mounggon ;
Jeon, Sang Kyu ;
Hwang, Seok-Ho ;
Lee, Jun Yeob .
ADVANCED MATERIALS, 2015, 27 (15) :2515-2520
[14]   Engineering the Substitution Position of Diphenylphosphine Oxide at Carbazole for Thermal Stability and High External Quantum Efficiency Above 30% in Blue Phosphorescent Organic Light-Emitting Diodes [J].
Kim, Mounggon ;
Lee, Jun Yeob .
ADVANCED FUNCTIONAL MATERIALS, 2014, 24 (26) :4164-4169
[15]   Effects of triplet energies and transporting properties of carrier transporting materials on blue phosphorescent organic light emitting devices [J].
Lee, Jaewon ;
Chopra, Neetu ;
Eom, Sang-Hyun ;
Zheng, Ying ;
Xue, Jiangeng ;
So, Franky ;
Shi, Jianmin .
APPLIED PHYSICS LETTERS, 2008, 93 (12)
[16]   Luminous Butterflies: Efficient Exciton Harvesting by Benzophenone Derivatives for Full-Color Delayed Fluorescence OLEDs [J].
Lee, Sae Youn ;
Yasuda, Takuma ;
Yang, Yu Seok ;
Zhang, Qisheng ;
Adachi, Chihaya .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2014, 53 (25) :6402-6406
[17]   Phosphorescence versus Thermally Activated Delayed Fluorescence. Controlling Singlet-Triplet Splitting in Brightly Emitting and Sublimable Cu(I) Compounds [J].
Leitl, Markus J. ;
Krylova, Valentina A. ;
Djurovich, Peter I. ;
Thompson, Mark E. ;
Yersin, Hartmut .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2014, 136 (45) :16032-16038
[18]   Employing ∼ 100% Excitons in OLEDs by Utilizing a Fluorescent Molecule with Hybridized Local and ChargeTransfer Excited State [J].
Li, Weijun ;
Pan, Yuyu ;
Xiao, Ran ;
Peng, Qiming ;
Zhang, Shitong ;
Ma, Dongge ;
Li, Feng ;
Shen, Fangzhong ;
Wang, Yinghui ;
Yang, Bing ;
Ma, Yuguang .
ADVANCED FUNCTIONAL MATERIALS, 2014, 24 (11) :1609-1614
[19]   Co-deposited Cu(I) Complex for Tri-layered Yellow and White Organic Light-Emitting Diodes [J].
Liu, Xiaochen ;
Zhang, Tao ;
Ni, Tianchi ;
Jiang, Nan ;
Liu, Zhiwei ;
Bian, Zuqiang ;
Lu, Zhenghong ;
Huang, Chunhui .
ADVANCED FUNCTIONAL MATERIALS, 2014, 24 (34) :5385-5392
[20]   TRIPLET STATE AND MOLECULAR ELECTRONIC PROCESSES IN ORGANIC MOLECULES [J].
LOWER, SK ;
ELSAYED, MA .
CHEMICAL REVIEWS, 1966, 66 (02) :199-+
12345