| 聚集诱导发光机理研究 |
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| 引用本文： | 张双,秦安军,孙景志,唐本忠.聚集诱导发光机理研究[J].化学进展,2011,23(4):623-636. |
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| 作者姓名： | 张双 秦安军 孙景志 唐本忠 |
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| 作者单位： | 1. 浙江大学高分子科学与工程学系 高分子合成与功能构造教育部重点实验室 杭州 310027;
2. 香港科技大学化学系 香港 |
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| 基金项目： | 国家自然科学基金项目(No.20974028,50873086,21074113,Z406018)资助 |
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| 摘 要： | 与传统荧光生色团聚集后导致荧光猝灭相反,有一类化合物在单分子状态下荧光微弱甚至观察不到荧光,而在聚集状态下荧光显著增强,这就是聚集诱导发光(AIE)现象。AIE现象独特的优越性使得众多研究组开发出越来越多的新AIE体系,其机理也被广泛而深入地研究。本文总结了目前为止已经提出的AIE机理,包括分子内旋转受限、分子内共平面、抑制光物理过程或光化学反应、非紧密堆积、形成J-聚集体以及形成特殊激基缔合物等;着重评述了目前研究最为全面、适用范围最广的分子内旋转受限机理。同时介绍了一些基于这些机理设计的新AIE体系。
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| 关 键 词： | 聚集诱导发光 机理 分子内旋转受限 新AIE体系 |
| 收稿时间： | 2010-09-01 |
| 修稿时间： | 2010-11-01 |
Mechanism Study of Aggregation-Induced Emission |
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| Zhang Shuang Qin Anjun Sun Jingzhi Tang Benzhong.Mechanism Study of Aggregation-Induced Emission[J].Progress in Chemistry,2011,23(4):623-636. |
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| Authors: | Zhang Shuang Qin Anjun Sun Jingzhi Tang Benzhong |
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| Institution: | 1. Key Laboratory of Macromolecular Synthesis and Functionalization, Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China;
2. Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong, China |
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| Abstract: | Aggregation of classical fluorophores always quenches their light emission,which is notoriously known as aggregation-caused quenching(ACQ).The ACQ effect prevents many fluorophores from finding aggregation-state applications.In contrast,a group of fluorophores is weakly luminescent or even nonluminescent in isolated state but highly emissive in aggregate state.Aggregation-induced emission(AIE) was coined for this novel phenomenon.Because of their unique advantages,more and more new AIE systems with emission... |
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| Keywords: | aggregation-induced emission(AIE) mechanism restricted intramolecular rotation new AIE systems |
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