高等学校化学学报

高等学校化学学报

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Zn-Ln(Ⅲ)(Ln=Eu, Tb)杂核配合物的合成、 结构及光物理性质

王兆龙1, 牛淑云1, 金晶1, 吕春欣1, 迟玉贤1, 杨光弟2, 叶玲2   

    1. 辽宁师范大学化学化工学院, 大连 116029;
    2. 吉林大学超分子结构与材料教育部重点实验室, 长春 130012
  • 收稿日期:2006-09-15 修回日期:1900-01-01 出版日期:2007-05-10 发布日期:2007-05-10
  • 通讯作者: 牛淑云

Synthesis, Structure and Photophysical Properties of Zn-Ln(Ⅲ)(Ln=Eu, Tb) Heterometallic Coordination Complexes

WANG Zhao-Long1, NIU Shu-Yun1*, JIN Jing1, LÜ Chun-Xin1, CHI Yu-Xian1, YANG Guang-Di2, YE Ling2   

    1. School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China;
    2. Key Lab of Supramolecular Structure and Materials of Ministry of Education, Jilin University, Changchun 130012, China
  • Received:2006-09-15 Revised:1900-01-01 Online:2007-05-10 Published:2007-05-10
  • Contact: NIU Shu-Yun

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被引次数

19

摘要： 采用溶剂热方法合成了两种具有良好发光性能的d-f异核金属配合物EuZn(C8H7O3)5(phen)(H2O)(1)和TbZn(C8H7O3)5(phen)(H2O)(2). 采用单晶X射线衍射表征了晶体结构. 结果表明, 两种配合物是同构的, 在配合物中, Zn为五配位, Ln(Ⅲ)[Ln(Ⅲ)=Eu, Tb]为八配位. 金属间通过对甲氧基苯甲酸根的羧基(—COO)基团成桥联结. 测定了配合物的紫外-可见吸收光谱、 红外光谱和荧光光谱. 讨论了配位环境对荧光性质的影响以及配合物分子内能量传递问题.

关键词: Zn-Ln配合物, 合成, 晶体结构, 光物理

Abstract: Two d-f heterometallic coordination complexes EuZn(C8H7O3)5(phen)(H2O)(1) and TbZn(C8H7O3)5(phen)(H2O)(2) were synthesized with hydrothermal reaction. These two complexes exhibit strong luminesecent emission. The crystal structures of the two complexes were determined via X-ray diffraction. The two complexes are isomorphic. Zn(Ⅱ) ion is five-coordinated and Ln(Ⅲ) ion is eight-coordinated. Zn(Ⅱ) and Ln(Ⅲ) ions are bridged by 4-methoxybenzoic acid ligands. The UV-Vis-NIR, IR and fluorescence spectra of the complexes were measured. The influence of coordination environment on the luminescence property and intramolecular energy transfer of complexes were discussed.

Key words: Zn-Ln complex, Synthesis, Crystal structure, Photophysics

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