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一维链状镉配合物的合成、结构及荧光性能

Synthesis,Structure and Fluorescence Property of a 1-D Chain Cd( Ⅱ) Complex
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摘要 以2-(1H-咪唑-1-甲基)-1H-苯并咪唑(HL)为配体,通过Cd I2与HL在混合溶剂水-甲醇-N,N-二甲基甲酰胺(DMF)中的自组装制备了一个新的配合物[Cd_2(L)(μ_2-I)I_2(DMF)_3]_n,通过单晶X射线衍射测试、红外光谱和元素分析对该配合物进行了表征.结果表明,它是一个由双核单元[Cd_2(L)_2I_2(DMF)_4]和[Cd_2(μ_2-I)_2I_2(DMF)_2]交替排列形成的一维链状配合物.此外,采用荧光光度法测定了配体及配合物的固态荧光光谱,进一步验证了碘离子的存在能淬灭配合物的荧光. A new complex with the formula [Cd2（ L）（ μ_2-I） I_2（ DMF）_3]_n was synthesized through the reaction of 2-（ 1H-imidazol-1-methyl）-1H-benzimidazole（ HL） with Cd I_2 in the mixed solvents methanolDMF-water. The new complex was characterized by single crystal X-ray diffraction analysis,IR spectra,and elemental analysis. The investigation results disclosed that the title complex possessed a 1-D chain structure in which two kinds of dinuclear units [Cd_2（ L）_2I_2（ DMF）_4]and [Cd_2（ μ_2-I）_2I_2（ DMF）_2]were arranged alternately. Additionally,the fluorescence properties of the free ligand HL and the title complex were measured in the solid state at room temperature. The results further validated that iodide anions in the complex usually quenched the fluorescence emission.
作者 张宇虹 吴朝军 孟祥茹
机构地区 郑州大学化学与分子工程学院
出处 《郑州大学学报（理学版）》 CAS 北大核心 2015年第4期58-61,共4页 Journal of Zhengzhou University:Natural Science Edition
基金 国家自然科学基金资助项目 编号21471132
关键词 Cd(Ⅱ)配合物 2-(1H-咪唑-1-甲基)-1H-苯并咪唑 晶体结构 荧光性能 Cd（Ⅱ） complex 2-（1H-imidazol-1-methyl）-1H-benzimidazole crystal structure fluorescence property
分类号 O641.4 [理学—物理化学]
  • 相关文献

参考文献10

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郑州大学学报（理学版）
2015年 第4期

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