Tetraphenylpyrazine-based AIEgens: facile preparation and tunable light emission.
Tetraphenylpyrazine-based AIEgens: facile preparation and tunable light emission.
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DOI：
10.1039/c4sc03365e
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发表时间：
2015-03-01
期刊：
影响因子：
8.4
通讯作者：
Tang BZ
中科院分区：
文献类型：
--
作者：
Chen M;Li L;Nie H;Tong J;Yan L;Xu B;Sun JZ;Tian W;Zhao Z;Qin A;Tang BZ
基于四苯基吡嗪的结构新颖的具有可调谐发射的AIEgens被合理地设计和容易地制备。聚集诱导发射（AIE）的研究一直是一个热点。由于许多研究人员的积极努力，已经产生了数百种AIE发光体（AIEgens），主要是基于原型的噻咯，四苯乙烯，二苯乙烯基蒽，三苯乙烯和四苯基-1，4-丁二烯等。为了扩大AIEgens家族并丰富其功能，人们迫切需要新的AIEgens。本文报道了一种基于四苯基吡嗪（TPP）的新型AIEgen，它可以在温和的反应条件下容易地制备。此外，我们表明，TPP衍生物具有良好的热稳定性，它们的发射可以通过改变其苯环上的取代基进行微调。TPP衍生物具有制备简便、热稳定性、光稳定性和化学稳定性好、发光效率高等优点，有望成为一种新型的AIEgen。
Structurally new AIEgens with tunable emission based on tetraphenylpyrazine were rationally designed and readily prepared. Research on aggregation-induced emission (AIE) has been a hot topic. Due to enthusiastic efforts by many researchers, hundreds of AIE luminogens (AIEgens) have been generated which were mainly based on archetypal silole, tetraphenylethene, distyrylanthracene, triphenylethene, and tetraphenyl-1,4-butadiene, etc. To enlarge the family of AIEgens and to enrich their functions, new AIEgens are in high demand. In this work, we report a new kind of AIEgen based on tetraphenylpyrazine (TPP), which could be readily prepared under mild reaction conditions. Furthermore, we show that the TPP derivatives possess a good thermal stability and their emission could be fine-tuned by varying the substituents on their phenyl rings. It is anticipated that TPP derivatives could serve as a new type of widely utilized AIEgen, based on their facile preparation, good thermo-, photo- and chemostabilities, and efficient emission.
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