Syntheses, structures and properties of 3D inorganic-organic hybrid frameworks constructed from lanthanide polymer and Keggin-type tungstosilicate

被引：39

作者：

Gao, Yuanzhe ^{[1
,2
,3
]}

Xu, Yanqing ^{[1
,2
]}

Han, Zhangang ^{[1
,2
,3
]}

Li, Chunhong ^{[1
,2
]}

Cui, Fengyun ^{[1
,2
]}

Chi, Yingnan ^{[1
,2
]}

Hu, Changwen ^{[1
,2
]}

机构：

[1] Beijing Inst Technol, Inst Chem Phys, Dept Chem, Beijing 100081, Peoples R China

[2] Beijing Inst Technol, State Key Lab Explos Sci Technol, Beijing 100081, Peoples R China

[3] Hebei Normal Univ, Coll Chem & Mat Sci, Shijiazhuang 050016, Hebei, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2010年 / 183卷 / 05期

基金：

中国博士后科学基金;

关键词：

Polyoxometalates; Lanthanide polymer; Hydrothermal synthesis; Thermal stability; Photoluminescence; COORDINATION POLYMERS; POLYOXOMETALATE CLUSTERS; CRYSTAL-STRUCTURES; COMPLEXES; CHANNELS; ARCHITECTURES; DESIGN; CATION; LIGAND; CHAIN;

D O I：

10.1016/j.jssc.2010.03.006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Inorganic-organic hybrid frameworks, namely [Ce(H2O)(3)(Pdc)](4)[SiW12O40]center dot 6H(2)O 1, [M(H2O)(4)(pdc)](4) [SiW12O40]center dot 2H(2)O (M=Ce for 2a, La for 2b, Nd for 2c; H(2)pdc=pyridine-2,6-dicarboxylic acid) were assembled through incorporation of Keggin-type heteropolyanion [SiW12O40](4-) within the voids of lanthanides-pdc network as pillars or guests under hydrothermal condition. Single-crystal X-ray analyses of these crystals reveal that compound 1 presents 3D pillar-layered framework with the [SiW12O40](4-) anions located on the square voids of the two-dimensional Ce-pdc bilayer. Compounds 2a-c are isostructural and constructed from 3D Ln-pdc-based metal-organic framework (MOF) incorporating noncoordinating guests Keggin structure [SiW12O40](4-). Solid-state properties of compounds 1 and 2a-c such as thermal stability and photoluminescence have been further investigated. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：1000 / 1006

页数：7

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