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Triphenylamine functionalized beta-Ketoiminate boron complex exhibiting aggregation-induced emission and mechanofluorochromism
Zhou, Lin1; Xu, Defang2; Gao, Huaizhi1; Han, Aixia1; Liu, Xingliang1; Zhang, Chao1; Li, Zheng1; Yang, Yan1
2017-02-01
发表期刊DYES AND PIGMENTS
卷号137页码:200-207
文章类型Article
摘要A new triphenylamine functionalized beta-Ketoiminate boron complex BF2-TPA that bears the electron donor triphenylamine and the electron acceptor 13-iminoenolate boron moiety, has been designed and successfully synthesized. The D-pi-A type conjugated compound showed obvious intramolecular charge transfer (ICT) properties, which were evidenced by theoretical calculations and spectral analysis. The compound exhibited evident AIE characteristic with high fluorescence quantum yield in the solid state. BF2-IPA was quite weakly fluorescent in THF, while a significant AIE effect was observed in water/THF (f(w) = 70%) mixtures with a large AIE factor of 188. Interestingly, BF2-TPA possesses the distinct mechanofluorochromic (MFC) behavior. The as-prepared powder of BF2-TPA could emit strong yellow light centered at 549 nm under UV irradiation, and the fluorescence color changed into orange (590 nm) after grinding, a red shift of 41 nm was observed. Such mechanochromism was reversible upon the treatment of grinding and fuming with CH2Cl2. The powder XRD studies showed that the MFC nature is generated through crystalline-amorphous phase transformation under the stimulus of external force. The relationship between the structure and the properties was studied in detail. The results obtained would be of great help in understanding the MFC mechanism and designing new MFC materials. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Beta-ketoiminate Boron Complex Mechanofluorochromism Aggregation Induced Emission Intramolecular Charge Transfer Triphenylamine
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]INTRAMOLECULAR CHARGE-TRANSFER ; CRYSTALLIZATION-INDUCED EMISSION ; SOLID-STATE FLUORESCENCE ; LIGHT-EMITTING-DIODES ; ENHANCED EMISSION ; ORGANIC NANOPARTICLES ; SECURITY PROTECTION ; BODIPY DERIVATIVES ; COLOR CHANGES ; LUMINESCENCE
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering ; Materials Science
WOS类目Chemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles
WOS记录号WOS:000390182700023
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6183
专题青海盐湖研究所知识仓储
作者单位1.Qinghai Univ, Chem Engn Coll, Xining 810016, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
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Zhou, Lin,Xu, Defang,Gao, Huaizhi,et al. Triphenylamine functionalized beta-Ketoiminate boron complex exhibiting aggregation-induced emission and mechanofluorochromism[J]. DYES AND PIGMENTS,2017,137:200-207.
APA Zhou, Lin.,Xu, Defang.,Gao, Huaizhi.,Han, Aixia.,Liu, Xingliang.,...&Yang, Yan.(2017).Triphenylamine functionalized beta-Ketoiminate boron complex exhibiting aggregation-induced emission and mechanofluorochromism.DYES AND PIGMENTS,137,200-207.
MLA Zhou, Lin,et al."Triphenylamine functionalized beta-Ketoiminate boron complex exhibiting aggregation-induced emission and mechanofluorochromism".DYES AND PIGMENTS 137(2017):200-207.
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