Abstract
Two new coordination polymers (CPs), namely, [Cu(4-bptzp)(BDC)] (1) and [Cu2(4-bptzp)2(BDC)Cl2] (2) (4-bptzp=1,4-bis(5-(4-pyridyl)tetrazolyl)propane, H2BDC=1,3-benzenedicarboxylic acid) were synthesized by changing the proportion of the solvents under the solvothermal conditions, and structurally characterized by single crystal X-ray diffraction, infrared spectroscopy (IR), powder X-ray diffraction (PXRD), elemental analyses and thermogravimetric analyses (TGA). The 4-bptzp was firstly introduced into the CPs. Complexes 1 and 2 show two kinds of 1D chain structures. Complex 1 contains the 1D ladder-like [Cu(BDC)]n chains and Cu2(4-bptzp)2 rings, while complex 2 consists of the 1D linear [Cu2(BDC)Cl2]n chain containing the bridging Cl− ions and Cu2(4-bptzp)2 rings. The adjacent 1D chains in 1 and 2 are extended to 2D supramolecular layers by the hydrogen bonding interactions, respectively. In addition, the electrochemical properties and dye adsorption properties of complexes 1 and 2 have been investigated. The solvent ratio plays a key role in adjusting their structures and adsorption property.
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