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Issue 44, 2019
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Rational construction and remarkable gas adsorption properties of a HKUST-1-like tbo-type MOF based on a tetraisophthalate linker

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Abstract

To target a condensed version of the HKUST-1-like tbo-type MOF MFM-181, a new tetraisophthalate ligand, 3,6-dimethyl-1,2,4,5-tetra(5′-isophthalic acid)benzene, was rationally designed and synthesized based on ligand contraction and conformation preorganization strategy. Compared to its parent compound MFM-181, the resulting MOF ZJNU-10 features smaller cage sizes as well as higher density of open copper sites, thus endowing the material with the promising potential for C2H2/CH4 and CO2/CH4 separations associated with C2H2 purification and natural gas sweetening. At 298 K and atmospheric pressure, the uptake capacities of C2H2 and CO2 reach 151.5 and 108.3 cm3 (STP) g−1, while the IAST-predicted adsorption selectivities of C2H2 and CO2 over CH4 are up to 29.9 and 7.6, respectively.

Graphical abstract: Rational construction and remarkable gas adsorption properties of a HKUST-1-like tbo-type MOF based on a tetraisophthalate linker

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Article information


Submitted
18 Sep 2019
Accepted
29 Oct 2019
First published
29 Oct 2019

Dalton Trans., 2019,48, 16793-16799
Article type
Paper

Rational construction and remarkable gas adsorption properties of a HKUST-1-like tbo-type MOF based on a tetraisophthalate linker

X. Gao, T. Xu, Z. Jiang, H. Yu, Y. Wang and Y. He, Dalton Trans., 2019, 48, 16793
DOI: 10.1039/C9DT03716K

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