Lanthanide coordination polymers constructed from 5-(4-pyridyl)-isophthalic acid: Synthesis, structure and photoluminescent properties

被引:6
作者
Sun, Yaguang [1 ]
Li, Jian [1 ]
Sun, Di [1 ]
Ding, Fu [1 ]
Wang, Shuju [1 ]
Xu, Zhenhe [1 ]
Wang, Zan [1 ]
Smet, Philippe F. [2 ]
Meert, Katrien W. [2 ]
Poelman, Dirk [2 ]
机构
[1] Shenyang Univ Chem Technol, Lab Coordinat Chem, Shenyang 100142, Peoples R China
[2] Univ Ghent, Dept Solid State Sci, Lumilab, B-9000 Ghent, Belgium
关键词
Lanthanide coordination polymers; Crystal structure; Fluorescence; METAL-ORGANIC FRAMEWORKS; LUMINESCENT PROPERTIES; CRYSTAL-STRUCTURES; COMPLEXES; LIGANDS; DICARBOXYLATE; SELECTIVITY; MAGNETISM; TOPOLOGY; CLUSTER;
D O I
10.1016/j.inoche.2013.06.042
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Nine lanthanide coordination polymers [Ln(2)(pyip)(3)(H2O)(4)center dot DMF center dot 3H(2)O](n) (Ln = Ce, Pr, Nd, Sm, Eu, Gd, Tb, DY, Ho) based on the pyip(2-) ligand (H(2)pyip = 5-(4-pyridyl)-isophthalic acid) have been synthesized under solvothermal conditions. X-ray crystallographic studies reveal that 1-9 are isostructural and crystallize in the triclinic system, space group P2(1)/c, and exhibit a 3D framework. Topological analysis reveals that the 3D framework can be simplified to a uninodal 6-connected pcu alpha-Po primitive cubic type structure. Meanwhile, the luminescent properties of these nine coordination polymers in the solid state are also investigated. Especially the Eu and Tb compounds show bright red and green luminescence with luminescence lifetimes of 0.39 and 0.80 ms, respectively. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:221 / 225
页数:5
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