Journal
CHEMISTRY OF MATERIALS
Volume 26, Issue 5, Pages 1912-1917Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm404155s
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Funding
- U.S. Department of Energy [DE-FG02-08ER46522]
- DOE ARPA-E
- Stanford Global Climate and Energy Project
- U.S. Department of Energy (DOE) [DE-FG02-08ER46522] Funding Source: U.S. Department of Energy (DOE)
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We have successfully used a highly efficient copper-catalyzed click reaction for the synthesis of a new series of hexacarboxylic acid linkers with varying sizes for the construction of isoreticular (3,24)-connected metal-organic frameworks (MOFs)-namely, NU-138, NU-139, and NU-140. One of these MOFs, NU-140, exhibits a gravimetric methane uptake of 0.34 g/g at 65 bar and 298 K, corresponding to almost 70% of the DOE target (0.5 g/g), and has a working capacity (deliverable amount between 65 and 5 bar) of 0.29 g/g, which translates into a volumetric working capacity of 170 cc(STP)/cc. These values demonstrate that NU-140 performs well for methane storage purposes, from both a gravimetric and a volumetric point of view. Adsorption of CO2 and H-2 along with simulated isotherms are also reported.
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