Synthesis and Hydrogen Sorption Properties of Carborane Based Metal−Organic Framework Materials
Journal of the American Chemical Society2007Vol. 129(42), pp. 12680–12681
Citations Over TimeTop 1% of 2007 papers
Omar K. Farha, Alexander M. Spokoyny, Karen L. Mulfort, M. Frederick Hawthorne, Chad A. Mirkin, Joseph T. Hupp
Abstract
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 blocksspecifically, 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 H2 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.
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