Synthesis of Solution Processable Blue AIEgens and the Device Performance

doi:10.6023/A16070372

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

Communication

可溶液加工蓝色聚集诱导发光小分子的合成及其器件性能

余韵, 杨杰, 任子淳, 谢国华, 李倩倩, 李振

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 E-mail:lizhen@whu.edu.cn,lichemlab@163.com;xgh-008@163.com
基金资助:
国家科技部973项目（No.2013CB834701）和国家自然科学基金委项目（Nos.21325416，51573140，6715751469）.

Synthesis of Solution Processable Blue AIEgens and the Device Performance

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

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).

1. Synthesis of Solution Processable Blue AIEgens and the Device Performance.PDF(1643KB)

Abstract

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 (L_max), maximum current efficiency (η_C,max), maximum power efficiency (η_p,max) and maximum external quantum efficiency (η_ext,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

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Yu Yun, Yang Jie, Ren Zichun, Xie Guohua, Li Qianqian, Li Zhen. Synthesis of Solution Processable Blue AIEgens and the Device Performance[J]. Acta Chim. Sinica, 2016, 74(11): 865-870.

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可溶液加工蓝色聚集诱导发光小分子的合成及其器件性能

Synthesis of Solution Processable Blue AIEgens and the Device Performance

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