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Acta Chimica Sinica ›› 2008, Vol. 66 ›› Issue (12): 1460-1464. Previous Articles     Next Articles

高色纯度的红色掺杂型电致发光材料的合成及其性能研究

皮雅娟a 汤 昊b 赵国生c 孙润光b 朱为宏*,a   

  1. (a华东理工大学结构可控先进功能材料及其制备教育部重点实验室 精细化工研究所 上海 200237)
    (b上海大学材料科学与工程学院 上海 201800)
    (c浙江闰土股份有限公司 上虞 312368)
  • 投稿日期:2007-11-13 修回日期:2008-01-17 发布日期:2008-06-28
  • 通讯作者: 朱为宏

Synthesis and Electroluminescent Properties of Red Dopant with High Color Purity

PI, Ya-Juan a TANG, Hao b ZHAO, Guo-Sheng c SUN, Run-Guang b ZHU, Wei-Hong * ,a   

  1. (a Key Laboratory for Advanced Materials, Ministry of Education, Institute of Fine Chemicals,
    East China University of Science & Technology, Shanghai 200237)
    (b School of Materials Science and Engineering, Shanghai University, Shanghai 201800)
    (c Zhejiang Runtu Co. Ltd., Shangyu 312368)
  • Received:2007-11-13 Revised:2008-01-17 Published:2008-06-28
  • Contact: ZHU, Wei-Hong

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A red electroluminescent material DADIN with a high color purity was prepared from 4-(dicyanomethylene)-2,6-dimethyl-4H-pyran as its electron-acceptor and indoline unit as its electron-donor. With respect to the Kodak’s traditional red dopant of DCJTB, it was proved that the synthesis and purification procedures of DADIN were simple, and the yield was high. In addition, the electroluminescent device based on DADIN as doping emitter has 1.5 times of current efficiency as DCJTB with high color saturation, indicative of a promising red emitting alternate to DCJTB.

Key words: high color purity, red light, electroluminescent material, synthesis, property