Flexible Porous Zinc–Pyrazole–Adenine\nFramework for Hysteretic Sorption of Light Hydrocarbons
Hong-Ru Fu (1625920)Jian Zhang (1682)
Abstract
One\nporous metal–organic framework based on mixed ligands, [Zn<sub>5</sub>(4-pca)<sub>4</sub>(ade)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]·(DMF)·4(H<sub>2</sub>O) (<b>1</b>; 4-H<sub>2</sub>pca = 4-pyrazolecarboxylic acid, Hade = adenine, DMF = <i>N</i>,<i>N</i>-dimenthylformamide), has been synthesized solvothermally\nand structurally characterized. Interestingly, the framework of <b>1</b> shows reversible flexibility, so that the adsorption behaviors\nof this activated sample exhibit the gate-opening effect in response\nto light hydrocarbons (C<sub>2</sub>H<sub>2</sub>, C<sub>2</sub>H<sub>4</sub>, C<sub>2</sub>H<sub>6</sub>, and C<sub>3</sub>H<sub>8</sub>). As a result, it could serve as an excellent platform for storage\nand purification of small hydrocarbons.
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