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Synthesis, Crystal Structure and Fluorescence Property of Terbium Coordination Polymers with Pyridine-3.5-dicarboxylic Acid

机译:吡啶-3.5-二羧酸of配合物的合成,晶体结构和荧光性质

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Rare-earth metal-organic frameworks [Tb_2(pdc)_3(H_2O)_9]_n3nH_2O, were synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The title compound consisted of one-dimensional dual-chains, in which each metal atom is nine-coordinated with oxygen atoms. The carboxylate groups of pdc provided two kinds of coordination ways as bidentate and monodentate. The solid-state photoluminescence measurement exhibited green light-emitting characteristic of terbium (III) coordination polymer, and the fluorescence intensities were stronger than that of the europium compound with the same ligand.
机译:合成了稀土金属有机骨架[Tb_2(pdc)_3(H_2O)_9] _n3nH_2O,并通过元素分析,红外光谱和单晶X射线衍射表征。标题化合物由一维双链组成,其中每个金属原子与氧原子九配位。 pdc的羧酸根提供了两种配位方式:双齿和单齿。固态光致发光测量显示了((III)配位聚合物的绿色发光特性,并且荧光强度强于具有相同配体的the化合物。

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