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[1]李媛媛,舒 格,李昱达,等.三甲基硅双苯乙炔取代噻咯的合成及聚集态诱导发光[J].武汉工程大学学报,2016,38(1):29-34.[doi:10. 3969/j. issn. 1674-2869. 2016. 01. 005]
 LI Yuanyuan,SHU Ge,LI Yuda,et al.Synthesis and Aggregation - Induced Emission of Diphenylethynylsilicane - Substituted Silole[J].Journal of Wuhan Institute of Technology,2016,38(1):29-34.[doi:10. 3969/j. issn. 1674-2869. 2016. 01. 005]
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三甲基硅双苯乙炔取代噻咯的合成及聚集态诱导发光()
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
38
期数:
2016年1期
页码:
29-34
栏目:
化学与化学工程
出版日期:
2016-03-07

文章信息/Info

Title:
Synthesis and Aggregation - Induced Emission of Diphenylethynylsilicane - Substituted Silole
文章编号:
1674 - 2869(2016)01 - 0029 - 06
作者:
李媛媛1舒 格1李昱达2王迅昶1汪 锋1*
1. 绿色化工过程教育部重点实验室(武汉工程大学), 湖北 武汉 430074;2. 华南理工大学化学与化工学院, 广东 广州 510640
Author(s):
LI Yuanyuan1SHU Ge1LI Yuda2WANG Xunchang1WANG Feng1
1.Key Laboratory for Green Chemical Process (Wuhan Institute of Technology),Ministry of Education,Wuhan 430074, China;2. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640,China
关键词:
硅杂环戊二烯电负性能隙聚集诱导发光
Keywords:
silole electronegative energy gap aggregation induced emission
分类号:
O627.41
DOI:
10. 3969/j. issn. 1674-2869. 2016. 01. 005
文献标志码:
A
摘要:
设计并合成了三种双苯乙炔基硅烷取代的新型噻咯功能化合物1,1-双甲基-3,4-二苯基-2,5-双(4-(2-三甲基硅)乙炔基苯基)噻咯(DMTPS-TMES)、1-甲基-1,3,4-三苯基-2,5-双(4-(2-三甲基硅)乙炔基苯基)噻咯(MPTPS-TMES)、1,1,3,4-四苯基-2,5-双(4-(2-三甲基硅)乙炔基苯基)噻咯(DPTPS-TMES),并对这些噻咯化合物的化学结构和理化性质作了较为系统地研究和分析,为该类型化合物的进一步研究提供了指导. 结果表明,随着噻咯五元环1,1位取代基的电负性增强,化合物的最高未占分子轨道和最低未占分子轨道能级能隙变小同时最大吸收波长和发射波长发生明显的红移. 此外,三种化合物在稀溶液中发光很弱,而在聚集态下表现出较强的荧光发射,具有典型聚集态诱导发光性质. 涂覆在薄层层析板上的噻咯分子同样呈现明亮的荧光发射现象,但暴露在有机溶剂气氛下会导致荧光淬灭,离开有机溶剂气氛,荧光再次恢复. 因此,这些新型噻咯功能化合物具有应用到化学传感器中的气体探针的潜能.
Abstract:
Three kinds of novel diphenylethynylsilicane?substituted functional siloles,1,1?dimethyl?3,4?diphenyl?2,5?bis(4?(2?trimethylsilyl)ethynylphenyl)silole(DMTPS?TMES),1?methyl?1,3,4?triphenyl?2,5?bis(4?(2?trimethylsilyl)ethynylphenyl)silole(MPTPS?TMES)and 1,1,3,4?tetraphenyl?2,5?bis(4?(2?trimethylsilyl)ethynylphenyl)silole(DPTPS?TMES)were synthesized by palladium?catalyzed cross?coupling reaction. The detailed systematical analysis of the chemical structure and physicochemical properties provided a solid basis and effective guidance for follow?up study of functional siloles. It was found that more electronegative 1,1-substitute groups tend to give lower energy gap between Highest Occupied Molecular Orbital and Lowest Unoccupied Molecular Orbital, longer absorption and emission wavelengths of siloles. DMTPS?TMES, MPTPS?TMES and DPTPS?TMES are aggregation induced emission active molecules, that is, they are virtually invisible in organic solvents while show strong emission in the aggregation state. Silole thin layer shows on?off fluorescence switching behavior that can be used for the sensing of organic vapors.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-01-11基金项目:国家自然科学基金项目(51103111);教育部新世纪优秀人才支持计划(NCET-12-0714);发光材料与器件 国家重点实验室开发基金项目(2014-skllmd-11);教育部留学人员科研启动基金项目作者简介:李媛媛,硕士研究生. E-mail:542252615@qq.com*通讯作者:汪 锋,博士,副教授. E-mail:psfwang@wit.edu.cn
更新日期/Last Update: 2016-02-27