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  • Title: Selective Sorption of Light Hydrocarbons on a Family of Metal-Organic Frameworks with Different Imidazolate Pillars.
    Author: Fu HR, Zhang J.
    Journal: Inorg Chem; 2016 Apr 18; 55(8):3928-32. PubMed ID: 27028716.
    Abstract:
    Four isostructural pillared-layer metal-organic frameworks (as 1-ims series) are successfully synthesized via the charge-balance approach, where trigonal [Zn2(CO2)3] cluster-based cationic layers [Zn2(NH2-BTB)](+) (NH2-H3BTB = 1,3,5-(3-benzoic acid) aniline) are connected by a series of 2-substituted imidazolates. The 1-ims supply a systematic platform to explore the adsorption of light hydrocarbons. Especially, 1-ims shows good adsorption selectivity of C3/C1 and C2/C1, and the selectivities of C3H8/CH4 are all over 100 at room temperature. These results demonstrate that introduction of functional group plays a key role on tuning the channel and pore size as well as improving the adsorption selectivity.
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