Efficient luminescence from a copper(I) complex doped in organic light-emitting diodes by suppressing C-H vibrational quenching

被引:92
作者
Wada, Atsushi [1 ,2 ]
Zhang, Qisheng [1 ]
Yasuda, Takuma [1 ]
Takasu, Isao [2 ]
Enomoto, Shintaro [2 ]
Adachi, Chihaya [1 ]
机构
[1] Kyushu Univ, Ctr Organ Photon & Elect Res OPERA, Nishi Ku, Fukuoka 8190395, Japan
[2] Toshiba Co Ltd, Corp Res & Dev Ctr, Saiwai Ku, Kawasaki, Kanagawa 2128582, Japan
基金
日本学术振兴会;
关键词
RADIATIONLESS TRANSITIONS; CU(I) COMPLEXES; I COMPLEXES; DEVICES; EMISSION; LIGANDS; ISOTOPE;
D O I
10.1039/c2cc31509b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Efficient luminescence was realized by suppressing not only excited-state distortion but also C-H vibrational quenching in a Cu complex. Organic light-emitting diodes containing the Cu complex as an emitting dopant exhibited a maximum external quantum efficiency of 7.4%.
引用
收藏
页码:5340 / 5342
页数:3
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