Efficient delayed fluorescence via triplet-triplet annihilation for deep-blue electroluminescence

被引:113
作者
Chou, P. -Y. [1 ]
Chou, H. -H. [1 ]
Chen, Y. -H. [1 ]
Su, T. -H. [1 ]
Liao, C. -Y. [1 ]
Lin, H. -W. [2 ]
Lin, W. -C. [2 ]
Yen, H. -Y. [1 ]
Chen, I. -C. [1 ]
Cheng, C. -H. [1 ]
机构
[1] Natl Tsing Hua Univ, Dept Chem, Hsinchu 30013, Taiwan
[2] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan
关键词
LIGHT-EMITTING-DIODES; MOLECULAR DESIGN; DEVICES; EMISSION; EMITTERS; SINGLE;
D O I
10.1039/c4cc01851f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Four 2-(styryl)triphenylene derivatives (TSs) were synthesized for deep-blue dopant materials. By using a pyrene-containing compound, DMPPP, as the host, the TS-doped devices exhibited significant delayed fluorescence via triplet-triplet annihilation, providing the highest quantum efficiency of 10.2% and a current efficiency of 12.3 cd A(-1).
引用
收藏
页码:6869 / 6871
页数:3
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