A heterometallic microporous MOF exhibiting high hydrogen uptake

被引：14
|
作者：
Wei, Wei [1 ]
Xia, Zhengqiang [1 ]
Wei, Qing [1 ]
Xie, Gang [1 ]
Chen, Sanping [1 ]
Qiao, Chengfang [2 ]
Zhang, Guochun [2 ]
Zhou, Chunsheng [2 ]
机构：
[1] NW Univ Xian, Key Lab Synthet & Nat Funct Mol Chem, Minist Educ, Coll Chem & Mat Sci, Xian 710069, Peoples R China
[2] Shangluo Univ, Dept Chem & Chem Engn, Shaanxi Key Lab Comprehens Utilizat Tailing Resou, Shangluo 726000, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2013年 / 165卷
基金：
中国国家自然科学基金;
关键词：
Hydrogen storage; Microporous materials; Heterometallic compound; Metal-organic framework; Heat of adsorption; METAL-ORGANIC FRAMEWORKS; HIGH-CAPACITY; SURFACE-AREA; STORAGE; ADSORPTION; TEMPERATURE; SITES; OXIDE;
D O I：
10.1016/j.micromeso.2012.07.036
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
An unusual heterometallic microporous metal-organic framework Cu3Cr(TSTC)(2)(H2O)(4)center dot chi G (1) (H4TSTC = trans-stilbene-3,3',5,5'-tetracarboxylic acid; G = guest molecules) was solvothermally synthesized and characterized. The structural analysis reveals that compound 1 features a 3D distorted NbO-type network with high solvent-accessible volume of 68.5% assembled by two kinds of distinct cages. The adsorption measurements (77 K) results show that compound 1 has a BET surface area of 2485 m(2)/g, exhibits the great heat of hydrogen adsorption in the range of 7.0-8.4 kJ/mol and significantly higher H-2 hydrogen storage of 2.70 wt.% under 1 bar than those of IRMOF-1 (1.32 wt.%), MOF-177 (1.25 wt.%), UMCM-2 (1.40 wt.%), UMCM-150 (2.10 wt.%) and HKUST-1 (2.18 wt.%). (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：20 / 26
页数：7
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