Abstract
Three novel bismuth-based coordination polymers, [(CH3)2NH2][Bi(pdc)(bdc)]·2DMF, [(CH3)2NH2][Bi(tdc)2]·1.5DMF and [Bi(bpdc)2H2O]·xGuest (compounds 1–3) (H2pdc=3,5-pyridinedicarboxylic acid, H2bdc=1,4-benzenedicarboxylic acid, H2tdc=2,5-thiophenedicarboxylic acid, H2bpdc=4,4′-biphenyldicarboxylic acid), have been successfully synthesized under solvothermal conditions and characterized by single crystal X-ray diffraction. Compounds 1 and 2, which are constructed by 9-coordinated or 8-coordinated Bi3+, feature three-dimensional structures with hms and dia topology, respectively. However, 5-coordinated Bi3+ based compound 3 is a two-dimensional layered structure. Compound 1 can tune emissive performance by doping different lanthanide ions Tb3+, Eu3+ and Dy3+. Furthermore, detection of nitro explosives is investigated. All of the compounds are characterized by elemental analysis, IR spectrum and thermogravimetric analysis.
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