A Microporous Metal–Organic Framework Constructed from a New Tetracarboxylic Acid for Selective Gas Separation
2014-05-07T00:00:00Z (GMT) by
A new organic ligand of pyrene-containing tetracarboxylic acid and its first metal–organic framework <b>UTSA-72</b> was designed and synthesized. The MOF has the two-dimensional (4,4) framework topology. The activated <b>UTSA-72a</b> exhibits permanent porosity and moderately high selectivities for CO<sub>2</sub>/N<sub>2</sub>, C<sub>2</sub>H<sub>2</sub>/CH<sub>4</sub>, and CO<sub>2</sub>/CH<sub>4</sub> gas separations at room temperature because of the small pores within the framework.
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