物理化学学报 >> 2018, Vol. 34 >> Issue (5): 476-482.doi: 10.3866/PKU.WHXB201709151

所属专题: 高被引科学家特刊

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三氮唑取代杯[4]芳烃配位聚合物的合成与荧光性能

韩雪,杨进*(),刘莹莹,马建方*()   

  • 收稿日期:2017-08-14 发布日期:2018-01-24
  • 通讯作者: 杨进,马建方 E-mail:yangj808@nenu.edu.cn;majf247@yahoo.com
  • 基金资助:
    国家自然科学基金(21471029)

Syntheses and Luminescent Properties of Coordination Polymers Based on 1, 2, 4-Triazole-Substituted Resorcin[4]arene

Xue HAN,Jin YANG*(),Yingying LIU,Jianfang MA*()   

  • Received:2017-08-14 Published:2018-01-24
  • Contact: Jin YANG,Jianfang MA E-mail:yangj808@nenu.edu.cn;majf247@yahoo.com
  • Supported by:
    the National Natural Science Foundation of China(21471029)

摘要:

利用四[1-(1, 2, 4-三氮唑基)甲基]间苯二酚杯[4]芳烃配体(TTR4A)在溶剂热的条件下合成了两个配位聚合物,[[Zn2(TTR4A)(L)2]·DMF·4H2O]n(化合物1) (DMF = N, N-二甲基甲酰胺)和[[Co(TTR4A)Cl2]·DMA·H2O]n (化合物2) (H2L = 4, 4’-联苯二甲酸) (DMA = N, N-二甲基乙酰胺)。通过单晶X射线衍射方法对这两个配位聚合物的结构进行了确定。利用红外、元素分析、粉末X射线衍射(PXRD)和热重表征手段对化合物12进行了表征。在化合物1中,四个L配体连接着四个Zn(Ⅱ)离子形成了环状的Zn4L4结构单元,该结构单元进一步地被TTR4A链接形成了一维链状结构。在化合物2中,TTR4A的四个三氮唑基团各连接一个Co(Ⅱ)离子形成二维层状结构。此外,我们对化合物1的荧光性能进行了研究,荧光测定表明固态条件下化合物1发出很强的荧光,并能够选择性地对Fe3+、Cr2O72−和硝基苯分子产生响应。

关键词: 间苯二酚杯[4]芳烃, 晶体结构, 配位聚合物, 荧光, 荧光响应

Abstract:

Two new coordination polymers, namely, [[Zn2(TTR4A)(L)2]·DMF·4H2O]n (compound 1) and [[Co(TTR4A)Cl2]·DMA·H2O]n (compound 2), have been synthesized under solvothermal conditions (TTR4A = tetrakis(1, 2, 4-triazol-ylmethylresorcin[4]arene), L = 4, 4'-biphenyldicarboxylic acid, DMF = N, N-dimethylformamide and DMA = N, N-dimethylacetamide). Crystal structures of the coordination compounds 1 and 2 were determined by single-crystal X-ray diffraction analyses, and further characterized by infrared spectra, elemental analyses, powder X-ray diffraction, and thermogravimetric analyses. In coordination compound 1, four L ligands bridge four adjacent Zn(Ⅱ) atoms to generate macrocyclic Zn4L4 units, which are further linked by the TTR4A ligands into a one-dimensional chain structure. In coordination compound 2, four 1, 2, 4-triazole groups of each TTR4A ligand bridge four Co(Ⅱ) atoms to form a two-dimensional layer structure. Furthermore, studies on the luminescent properties of compound 1 in solid state at room temperature reveal that it exhibits an intense emission peak. Luminescent-sensing detections for Fe3+, Cr2O72−, and nitrobenzene solvents were also investigated by using compound 1 as the potential luminescent sensor.

Key words: Resorcin[4]arene, Crystal structure, Coordination polymer, Fluorescence, Fluorescent response

MSC2000: 

  • O641