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Amino-functionalized Cu-MOF for efficient purification of methane from light hydrocarbons and excellent catalytic performance

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Abstract

A 3D microporous MOF [Cu1.5(BTB-NH2)(H2O)2]·6DMA·5H2O (UPC-99) of the (2,3,4-c)-net novel topology type was successfully constructed by the amino-functionalized ligand and Cu(II) ions via a solvothermal method. Due to the presence of two channels with open Cu(II) sites and –NH2 groups, UPC-99 exhibits a high adsorption selectivity of 15.3 for CO2/CH4 at 1 bar and 273 K. Remarkably, UPC-99 exhibits a significant adsorption difference in C3H6 and C3H8 relative to CH4 and shows a high separation selectivity for C3 light hydrocarbons relative to CH4 (496.7 for C3H6/CH4 and 410.5 for C3H8/CH4 at 273 K, 1 bar) by single-component gas sorption and selectivity calculations in IAST methods. Moreover, the presence of open Lewis acidic Cu(II) sites in the channels allows UPC-99 to exhibit excellent catalytic performance in the catalytic cycloaddition reactions of CO2 with epoxides.

Graphical abstract: Amino-functionalized Cu-MOF for efficient purification of methane from light hydrocarbons and excellent catalytic performance

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Publication details

The article was received on 26 Dec 2018, accepted on 11 Mar 2019 and first published on 12 Mar 2019


Article type: Research Article
DOI: 10.1039/C8QI01404C
Citation: Inorg. Chem. Front., 2019, Advance Article

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    Amino-functionalized Cu-MOF for efficient purification of methane from light hydrocarbons and excellent catalytic performance

    X. Wang, X. Zhang, K. Zhang, X. Wang, Y. Wang, W. Fan and F. Dai, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C8QI01404C

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