Two d(10) luminescent metal-organic frameworks as dual functional luminescent sensors for (Fe(3+),Cu(2+)) and 2,4,6-trinitrophenol (TNP) with high selectivity and sensitivity.

Two d(10) luminescent metal-organic frameworks as dual functional luminescent sensors for (Fe(3+),Cu(2+)) and 2,4,6-trinitrophenol (TNP) with high selectivity and sensitivity.
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两种 d 10 发光金属有机框架作为双功能发光传感器,用于 (Fe3 , Cu2 ) 和 2,4,6-三硝基苯酚 (TNP) ,具有高选择性和灵敏度

DOI:
10.1039/c9ra07709j
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发表时间:
2020-01-24
期刊:
影响因子:
3.9
通讯作者:
--
中科院分区:
化学3区
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在溶剂热条件下,以Cd(NO3)2·4H2O或Zn(NO3)2·6H2O为金属源,4,4‘,4’-硝基三苯甲酸(H3L),2,2-bipy为配体,在溶剂热条件下合成了两种三维发光超分子结构[Cd(L)2(2,2-bipy)2](DMF)3(CH3CH2OH)2(H2O)(1)和[Zn3(L)2(2,2-bipy)2(DMF)2](DMF)2(CH3CH2OH)2(H2O)(2)(H3L=4,4‘,4’-nitrilotribenzoic acid)。化合物1表现为具有{83}2{86·126·163}{8}6拓扑的双节点(2,3,6)配位网络,化合物2可以描述为具有KGD拓扑的(3,6)连通的2节点网络。用X射线粉末衍射(XRPD)、热重分析(TGA)和傅立叶变换红外光谱(FT-IR)对化合物1和2的相纯度进行了表征。化合物1和2通过发光猝灭可作为Fe3+、Cu2+和TNP的有效发光传感器。在溶剂热条件下,合成了两种可作为Fe3+、Cu2+和TNP发光猝灭传感器的发光3D超分子结构。
Two luminescent 3D supramolecular structures [Cd3(L)2(2,2-bipy)2](DMF)3(CH3CH2OH)2(H2O) (1) and [Zn3(L)2(2,2-bipy)2(DMF)2](DMF)2(CH3CH2OH)2(H2O) (2) (H3L = 4,4′,4′′-nitrilotribenzoic acid) have been successfully synthesized under solvothermal conditions using Cd(NO3)2·4H2O or Zn(NO3)2·6H2O as the metal sources, and 4,4′,4′′-nitrilotribenzoic acid (H3L), 2,2-bipy as the ligands in DMF solvent. Compound 1 displays a bi-nodal (2,3,6)-coordinated net with {83}2{86·126·163}{8}6 topology, compound 2 can be described as a (3,6)-connected 2-nodal net with kgd topology. The phase purity of compound 1 and 2 is characterized by X-ray powder diffraction (XRPD), thermogravimetric analysis (TGA) and Fourier transform infrared (FT-IR) spectroscopy. Compound 1 and 2 can serve as effective luminescent sensors for Fe3+, Cu2+ and TNP via luminescent quenching. Two luminescent 3D supramolecular structures which serve as effective luminescent sensors for Fe3+, Cu2+ and TNP via luminescent quenching have been synthesized under solvothermal conditions.
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