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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Fluorescent Sensing Properties of Three Coordination Polymers Constructed by 3,5-Di(2 ',5-dicarboxylphenyl)pyridine Ligand
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Fluorescent Sensing Properties of Three Coordination Polymers Constructed by 3,5-Di(2 ',5-dicarboxylphenyl)pyridine Ligand

机译:由3,5-二(2',5-二羧基苯基)吡啶配体构成的三种配位聚合物的荧光感测性能

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摘要

Three Cd-II coordination polymers (CPs), named as {[Cd-2(DDPP)(DMF)(H2O)]center dot DMF}(n) (1), {[Cd-2(DDPP)(H2O)(2)]center dot DMA center dot H2O}(n) (2), [Cd(H2DDPP)](n) (3), based on 3,5-di(2 ',5-dicarboxylphenyl)pyridine) (H4DDPP), were synthesized under solvothermal methods. Structural analysis indicates that the H4DDPP ligand of 1-3 adopt (kappa(1)-kappa(1))-(kappa(1)-kappa(1))-(kappa(1)-kappa(2))-(kappa(1)-kappa(1))-mu(8), (kappa(1)-kappa(1))-(kappa(1)-kappa(2))-(kappa(1)-kappa(2))-(kappa(1)-kappa(1))-mu(10), and (kappa(0)-kappa(0))-(kappa(1)-kappa(2))-(kappa(1)-kappa(2))-(kappa(0)-kappa(0))-mu(6) coordination modes, respectively. CP 1 is a 2-nodal (4,8)-c alb-4,8-Pbcn network. CP 2 is a 3D 4,8-c flu/fluorite network. CP 3 displays a 2D layer, which is further connected with hycrogen-bonding interactions between layers to form supramolecular framework. Moreover, the fluorescent features of 1-3 were studied in aqueous systems and the values of detection limit (DL) are also calculated by 3 sigma/k(sv). The results reveal that 1-3 have good ability on probing Cr-VI/Fe-III ions.
机译:三个CD-II配位聚合物(CPS),名为{[CDPP)(DMF)(DMF)(H2O)]中心DMF}(N)(1),{[CD-2(DDPP)(H2O)( 2)]中央点DMA中心点H2O}(N)(2),[CD(H2DDPP)](N)(3),基于3,5-二(2',5-二羧基苯基)吡啶)(H4DDPP) ,在溶剂热方法下合成。结构分析表明,H4DDPP配体1-3采用(Kappa(1)-Kappa(1)) - (κ(1)-Kappa(1)) - (kappa(1)-kappa(2)) - (kappa (1)-Kappa(1)) - mu(8),(kappa(1)-kappa(1)) - (kappa(1)-kappa(2)) - (kappa(1)-kappa(2)) - (kappa(1)-kappa(1)) - mu(10),和(kappa(0)-kappa(0)) - (kappa(1)-kappa(2)) - (kappa(1)-kappa (2)) - (kappa(0)-kappa(0)) - mu(6)分别配位模式。 CP 1是2-Nodal(4,8)-C ALB-4,8-​​PBCN网络。 CP 2是3D 4,8-C流感/萤石网络。 CP 3显示一个2D层,其进一步与层之间的酸性粘合相互作用相互连接以形成超分子框架。此外,在水性系统中研究了1-3的荧光特征,并且检测极限(DL)的值也通过3 sigma / K(SV)计算。结果表明,1-3对探测Cr-VI / Fe-III离子有良好的能力。

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