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Two New Ternary Cd(II) Coordination Polymers Containing Bis(thiabendazole) Ligands as Luminescent Sensors for Benzaldehyde and MnO4− Anions
Journal of Inorganic and Organometallic Polymers and Materials  (IF3.543),  Pub Date : 2021-08-10, DOI: 10.1007/s10904-021-02086-y
Zeng, Na-Na, Han, Chao, Fu, Lianshe, Cui, Guang-Hua


Two new ternary Cd(II) coordination polymers (CPs), [Cd2(L)(mip)2·2H2O]n (1) and {[Cd2(L)(hip)2]·3.5H2O}n (2) (L = 1,4-bis(thiabendazol-1-ylmethyl)benzene, H2mip = 5-methylisophthalic acid, H2hip = 5-hydroxyisophthalic acid), have been synthesized and characterized by physicochemical and spectroscopic methods. 1 possesses a 1D chained structure while 2 exhibits a 2D hcb layer. Both CPs can be further extended into 2D/3D supramolecular frameworks via ππ stacking interactions. Both 1 and 2 can serve as dual-responsive luminescent probes for the selective detection of benzaldehyde (BZH) and permanganate anions (MnO4) in aqueous system. The limits of detection (LODs) of 1 for BZH and MnO4 are 0.13 µM and 0.21 µM, separately, whereas the LODs of 2 for BZH and MnO4 are 1.30 µM and 1.95 µM, respectively.

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