Syntheses, structures, near-infrared, and visible luminescence of lanthanide-organic frameworks with flexible macrocyclic polyamine ligands

被引：86

作者：

Zhu, Xiandong ^{[1
,2
]}

Lue, Jian ^{[1
]}

Li, Xiaoju ^{[1
]}

Gao, Shuiying ^{[1
]}

Li, Guoliang ^{[1
]}

Xiao, Fuxian ^{[1
]}

Cao, Rong ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

CRYSTAL GROWTH & DESIGN | 2008年 / 8卷 / 06期

关键词：

D O I：

10.1021/cg701098t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of lanthanide-based MOFs with flexible macrocyclic polyamine ligands, formulated as [Ln(H(2)TETA)]NO(3)center dot 2H(2)O (Ln = Nd (1), Eu (2), Tb (3), Dy (4), Y (5); H(4)TETA = 1,4,8,11-tetraazacyclotetradecane-1,4,8,11-tetraacetic acid) have been successfully synthesized and characterized. They possess the same 3D architectures and crystallize in triclinic space group P (1) over bar. Their structures are built up from the paddle-wheel SBUs, which lead to 1D inorganic chains and further 3D framework with 13.26 x 10.94 angstrom(2) rhombic channels. The macrocyclic ligand displays special coordination pattern and protonation scheme. Complexes 1-3 exhibit strong fluorescent emissions in the visible and near-infrared region at room temperature. Formation of paddle-wheel structure plays crucial role in realizing efficient fluorescent emissions of complexes 1-3.

引用

页码：1897 / 1901

页数：5

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