Citation: Wang Xueying, Liao Zhangcheng, Wang Tianqi, Lin Haixia, Wang Zixing, Cui Yongmei. Synthesis and application of a novel 9, 9-diethyl-1, 2-diaryl-1, 9-dihydrofluoreno[2, 3-d]imidazole for blue organic light emitting diode[J]. Chinese Chemical Letters, ;2020, 31(1): 64-66. doi: 10.1016/j.cclet.2019.05.044 shu

Synthesis and application of a novel 9, 9-diethyl-1, 2-diaryl-1, 9-dihydrofluoreno[2, 3-d]imidazole for blue organic light emitting diode

a.
Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
b.
Key Laboratory of Advanced Display and System Applications, Ministry of Education, Shanghai University, Shanghai 200072, China

zxwang78@shu.edu.cn

ymcui@shu.edu.cn

Received Date: 29 March 2019
Revised Date: 22 May 2019
Accepted Date: 23 May 2019
Available Online: 23 January 2019

Figures(3)

Two novel 2-(4-(9, 9-disubstitued-9H-fluoren-2-yl)phenyl)-9, 9-diethyl-1-phenyl-1, 9-dihydrofluoreno-[2, 3-d]imidazole derivatives 2a and 2b were synthesized and characterized. Their photophysical and electrochemical properties, thermal stability property, and electroluminescence (EL) performance of 2b were investigated. The fabricated device based on 2b doping into 4, 4'-N, N'-dicarbazole-biphenyl (5%) as an emitter present a maximum brightness of 1272 cd/m² at 4 V with the CIE coordinate of (0.1590, 0.0465).
- Fluorene,
- Imidazole,
- Photoluminescence,
- Electroluminescence
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