Hydrothermal synthesis of 3D porous architectures

被引：0
|
作者：
肖婉艳 [1 ]
谷晓俊 [1 ]
薛冬峰 [1 ]
机构：
[1] State Key Laboratory of Fine Chemicals,Department of Materials Science and Chemical Engineering,School of Chemical Engineering,Dalian University of Technology,Dalian 116012,China
来源：
Journal of Rare Earths | 2009年 / 27卷 / 02期
基金：
中国国家自然科学基金;
关键词：
porous architecture; coordination selection; supramolecule framework; rare earths;
D O I：
暂无
中图分类号：
O631.3 [高聚物的化学性质];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel porous lanthanide-organic coordination polymer, [Nd(H2O)(HnicO)(TP)]·2H2O (1) (H2nicO=2-hydroxynicotinic acid, TP=terephthalate), was prepared under hydrothermal condition and characterized by single-crystal X-ray diffraction, thermogravimetric analysis and infrared spectroscopy. Compound 1 exhibited a flexible coordination geometry of lanthanide ions, which possessed a three-dimensional (3D) open framework with one-dimensional (1D) channels containing lattice water molecules. This framework structure exhibited a high stability up to 330 °C after removing free water molecules. A homometallic supramolecular framework (Zn(HnicO)2(H2O)2 (2)) was obtained due to the competitive reaction between organic ligands, Nd3+ and Zn2+ ions. The results showed that on the basis of the soft-hard/acid-base principle the coordination selection between metal ions and organic ligands played an essential role in the smart construction of lanthanide architectures.
引用
收藏
页码：341 / 344
页数：4
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