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Solvothermal Synthesis, Crystal Structure and Photoluminescence Property of a 3D Lead(Ⅱ) Coordination Polymer Based on Terephthalic Acid

林小英杨攀陈君刘明华林诚

  School of Chemical Engineering,Fuzhou University    College of Ecological Environment and Urban Construction,Fujian University of Technology    College of Environment and Resources,Fuzhou University  

摘要:Solvothermal reaction of Pb(NO32·6H2O with rigid linear ligand terephthalic acid(H2pta) in N,N-dimethylformamide(DMF) produced a new three-dimensional(3D) lead(Ⅱ)coordination polymer[Pb2(pta)1.5(μ4-OH)(DMF)]n 1,and its structure was characterized by single-crystal X-ray diffraction analyses.In polymer 1,the μ4-OH bridges the nearby lead(Ⅱ) ions into an infinite one-dimensional(1D) chain,and then the organic ligand pta2- joins the neighbored chains into a 3D structure by two similar connection modes in different configurations.The solid-state photoluminescent studies revealed that 1 exhibits a strong greenish emission mainly originating from ligand-to-metal charge transfer between the delocalized π bonds of the aromatic carboxylate ligand pta2- and the p orbitals of the Pb2+ centers.
  • DOI:

    10.14102/j.cnki.0254-5861.2011-0948

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    O634

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