Journal
CRYSTAL GROWTH & DESIGN
Volume 13, Issue 11, Pages 5001-5006Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg401180r
Keywords
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Funding
- National Natural Science Foundation of China [21201062]
- Scientific Research Fund of Hunan Provincial Education Department [12C0115]
- Research Fund of Hunan University of Science and Technology [E51263]
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A microporous oxalamide-functionalized NbO-type-metal organic framework, HNUST-3, has been designed and synthesized by self-assembling [Cu-2(COO)(4)] paddlewheel SBUs and a novel tetracarboxylate ligand with linking oxalamide groups. HNUST-3 represents the first example of a porous oxalamide-functionalized MOF, which exhibits a high BET surface area of 2412 m(2).g(-1), large H-2 uptake (unsaturated total capacity of 6.1 wt % at 20 bar and 77 K), and excellent CH4 storage (135.8 cm(3)(STP)cm(-3) at 20 bar and 298 K) as well as high CO2 adsorption capacity (20.2 mmol.g(-1) at 20 bar and 298 K) with good selectivity for CO2 over CH4 (7.9) and N-2 (26.1) at 298 K.
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