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  • Title: Microporous Lanthanide Metal-Organic Framework Constructed from Lanthanide Metalloligand for Selective Separation of C2H2/CO2 and C2H2/CH4 at Room Temperature.
    Author: Ma JX, Guo J, Wang H, Li B, Yang T, Chen B.
    Journal: Inorg Chem; 2017 Jun 19; 56(12):7145-7150. PubMed ID: 28581288.
    Abstract:
    A novel pillar-layer porous lanthanide metal-organic framework [Tb3(ODA)3(BPDC)3Na2]n·Gx (UTSA-222, G = guest molecules) was constructed from an organic ligand [1,1'-biphenyl]-4,4'-dicarboxylate (BPDC2-) and a lanthanide metalloligand [Tb(ODA)]+ (H2ODA = oxydiacetic acid). The UTSA-222 contains two-dimensional intersecting channels with the Brunauer-Emmett-Teller surface area and pore volume of 703 m2 g-1 and 0.344 cm3 g-1, respectively, for the activated sample. It shows moderately high adsorption selectivity for C2H2/CO2 and C2H2/CH4 separations at 1 atm and room temperature.
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