Acta Chim. Sinica ›› 2016, Vol. 74 ›› Issue (11): 865-870.DOI: 10.6023/A16070372 Previous Articles     Next Articles



余韵, 杨杰, 任子淳, 谢国华, 李倩倩, 李振   

  1. 武汉大学 化学与分子科学学院 武汉 430072
  • 投稿日期:2016-07-28 发布日期:2016-08-24
  • 通讯作者: 李振, 谢国华,;
  • 基金资助:


Synthesis of Solution Processable Blue AIEgens and the Device Performance

Yu Yun, Yang Jie, Ren Zichun, Xie Guohua, Li Qianqian, Li Zhen   

  1. Department of Chemistry, Hubei Key Lab on Organic and Polymeric Opto-Electronic Materials, Wuhan University, Wuhan 430072
  • Received:2016-07-28 Published:2016-08-24
  • Supported by:

    Project supported by the National Fundamental Key Research Program (No. 2013CB834701) and the National Natural Science Foundation of China (Nos. 21325416, 51573140, 6715751469).

By utilizing the special sp3 hybridization of tetraphenylmethane to break and control the intramolecular conjugation, and using silicon atom to replace the carbon atom in tetraphenylsilane, six molecules of C-4pTPE, C-4mTPE, C-4triPE, Si-4pTPE, Si-4mTPE, and Si-4triPE, were designed and successfully obtained, with tetraphenylethylene (TPE) and triphenylethylene (triPE) introduced to the core of tetraphenylmethane or tetraphenylsilane as rotors. These six molecules all possess typical aggregation induced emission (AIE) properties, they are all nearly nonemissive when readily dissolved in pure THF, but with the water fraction increasing, the PL intensity gradually increased. Due to their good AIE properties and thermal stability, they were fabricated in OLED devices by the solution process conveniently, with the maximum luminance (Lmax), maximum current efficiency (ηC,max), maximum power efficiency (ηp,max) and maximum external quantum efficiency (ηext,max) at 1730 cd·m-2, 2.21 cd·A-1, 0.77 lm·W-1 and 1.01%, respectively.

Key words: aggregation induced emission, sp3 hybridization, OLED device, solution process