Solvent-tuned polyoxometalate-based supramolecular hybrids constructed from different metal-organic motifs:Various structures and adsorption properties for dyes

被引：2
|
作者：
Shan Zhang [1 ]
Xiang Wang [1 ]
Hui-Xiu Zhang [1 ]
Zi-Hui Zhao [1 ]
Xiu-Li Wang [1 ]
机构：
[1] Department of Chemistry, Bohai University
来源：
Chinese Chemical Letters | 2018年 / 29卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Polyoxometalate; Solvent-tuned; Bis-imidazolyl-bis-amide ligand; Dyes adsorption; Supramolecular hybrids;
D O I：
暂无
中图分类号：
O641.4 [络合物化学（配位化学）]; O647.3 [吸附];
学科分类号：
摘要：
By changing the solvents, three polyoxometalate（POM）-based supramolecular hybrids, [Co;L;][SiW;O;]·17 H;O（1）,[Co;L;（H;O）;][SiW;O;].2 EtOH·2 H;O（2） and [Co;L;][SiW;O;]·9 DMA·6 H;O（3）, have been synthesized under hydrothermal or solvothermal conditions. All three hybrids show various supramolecular structures, which contain two kinds of different metal-organic motifs. A kind of metal-organic cationic cage [Co;L;];is formed in the presence of H;O for 1, DMA/H;O for 3, and a metalorganic cationic circle [Co;L;];is constructed in the presence of EtOH/H;O for 2. That is to say, the solvents show a key role in tuning the architectures of metal-organic fragments and the final POM-based supramolecular structures. The adsorption properties of 1-3 for different organic dyes have also been investigated.
引用
收藏
页码：309 / 312
页数：4
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