Synthesis and hydrogen sorption properties of carborane based metal-organic framework materials

被引:258
|
作者
Farha, Omar K.
Spokoyny, Alexander M.
Mulfort, Karen L.
Hawthorne, M. Frederick
Mirkin, Chad A.
Hupp, Joseph T.
机构
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
[2] Northwestern Univ, Int Inst Nanotechnol, Evanston, IL 60208 USA
[3] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA
[4] Univ Missouri, Int Inst Nano & Mol Med, Columbia, MO 65212 USA
关键词
D O I
10.1021/ja076167a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The synthesis and hydrogen uptake properties of metal-organic framework (MOFs) materials based on carboranes have been investigated. These are the first MOFs to make use of boron-rich components as building blocks- specifically, the deprotonated form of 1,12-dihydroxycarbonyl-1,12-dicarba-closo -dodecaborane. In evacuated form the initially obtained compound, featuring zinc-coordinated solvent molecules, displays modest H-2 uptake at 77 K and 1 atm. Upon removal of the coordinated solvent, however, the uptake triples (2.1 wt. %), the heat of adsorption substantially increases, and the structure adjusts such that the pore size decreases.
引用
收藏
页码:12680 / +
页数:3
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