具有聚集荧光增强效应的四苯基吡嗪类衍生物的制备和性能研究
收稿日期: 2016-02-22
修回日期: 2016-04-03
网络出版日期: 2016-04-07
基金资助
国家自然科学基金(No.21525417)、国家重点基础研究发展规划(973计划)(No.2013CB834702)、中组部青年拔尖人才支持计划和广东省引进创新科研团队(No.201101C0105067115)资助项目.
Tetraphenylpyrazine-Based Luminogens with Aggregation-Enhanced Emission Characteristics: Preparation and Property
Received date: 2016-02-22
Revised date: 2016-04-03
Online published: 2016-04-07
Supported by
Project supported by the National Natural Science Foundation of China (No. 21525417), the National Key Basic Research Program of China (973 Program) (No. 2013CB834702), and the National Program for Support of Top-Notch Young Professionals and the Guangdong Innovative Research Team Program (No. 201101C0105067115).
聚集诱导发光(AIE)已经成为光物理和发光材料领域的研究热点. 设计与合成新的AIE核心分子是该领域进一步发展的基础. 在我们发展的、新的AIE核心分子四苯基吡嗪(TPP)的基础上, 通过引入给电子的噻吩基团, 设计合成了三个TPP的衍生物TPP-T、TPP-2T和T-TPP-T, 并详细研究了三个分子的构效关系. 结果表明三个分子均具有聚集荧光增强(AEE)效应, 其粉末的最强发射峰分别位于418, 437和436 nm处, 属于蓝紫光和深蓝光发射, 绝对荧光量子产率分别为26.8%, 29.%和30.9%. 结合其优异的热稳定性, 这些TPP衍生物有望用于有机发光二极管(OLED)器件中的发光层.
关键词： 四苯基吡嗪; 聚集荧光增强(AEE); 构效关系
潘凌翔 , 罗文文 , 陈明 , 刘峻恺 , 徐露 , 胡蓉蓉 , 赵祖金 , 秦安军 , 唐本忠 . 具有聚集荧光增强效应的四苯基吡嗪类衍生物的制备和性能研究[J]. 有机化学, 2016 , 36(6) : 1316 -1324 . DOI: 10.6023/cjoc201602020
The research on aggregation-induced emission (AIE) has been a hot topic in the fields of photo-physics and luminescent materials. Design and synthesis of new AIE-active luminogens (AIEgens) will further promote the development of this area. Based on our developed new AIEgen of tetraphenylpyrazine (TPP), in this paper, we further enriched its family by covalently attaching thiophene unit on TPP core, and prepared three AIEgens of TPP-T, TPP-2T and T-TPP-T. Their structure-property relationship was studied in detail. The results showed that TPP-T, TPP-2T and T-TPP-T feature the aggregation-enhanced emission (AEE) characteristics. Their powders emit at 418, 437 and 436 nm with absolute fluorescence quantum yields of 26.8, 29.0 and 30.9%, respectively, which makes them promising to be used as emitting layer in fabrication of organic light-emitting diodes in combination with their excellent thermal stability.
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