Two coordination polymers,namely [Zn(BIDPT)(aba)]n (1) and [Cd(BIDPT)(HOABDC)]n (2) (BIDPT=4,4'-bis(imidazol-l-yl)diphenyl thioether,H2aba=4,4'-azanediyldibenzoic acid,H3OABDC=5-oxyacetate isophthalic acid)have been solvothermally synthesized and characterized by infrared spectroscopy,elemental analysis,and powder X-ray diffraction.In 1,the Zn(Ⅱ) ions are linked by BIDPT and aba2-ligands to give a 2-fold interpenetrating 3D frameworks with {66} dia topology.Compound 2 can be viewed as a 3-connected hcb net with the point symbol of {63} and extended into a three-dimensional supramolecule through hydrogen bonds.Complexes 1 and 2 show strong luminescence and their luminescence could be quenched by a series of nitroaromatic explosives.Importantly,they exhibit very highly sensitive and selective detection of picric acid compared to other nitroaromative explosives.The quenching mechanisms are also deeply studied.%以4,4'-二(1-咪唑基)苯硫醚(BIDPT),4,4'-羧基二苯胺(H2aba),5-氧乙酸间苯二酸(H3OABDC),Zn(NO3)2·6H2O和Cd(NO3)2·6H2O为原料,用溶剂热法合成了2个配位聚合物[Zn(BIDPT)(aba)]n(1)和[Cd(BIDPT)(HOABDC)]n(2).利用X射线单晶衍射、红外、元素分析、热重分析和X射线粉末衍射对其进行了表征.单晶X射线衍射研究发现配合物l为具有二重穿插的三维dia拓扑网络结构;配合物2为3-连接六边形的hcb二维拓扑结构,再通过氢键堆积作用形成三维超分子结构.1和2具有很好的荧光性质,硝基苯化合物对配合物1和2的荧光性质有不同程度的淬灭作用.它们都对2,4,6-三硝基苯酚的检测具有很好的灵敏性.对其淬灭机理进行了深入的研究.
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