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      A metal–organic framework based on cyclotriphosphazene-functionalized hexacarboxylate for selective adsorption of CO2 and C2H6 over CH4 at room temperature

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          Abstract

          A new MOF constructed from a flexible cyclotriphosphazene-functionalized hexacarboxylate exhibits selective adsorption of CO 2 and C 2H 6 over CH 4 at room temperature.

          Abstract

          By using a flexible cyclotriphosphazene-functionalized hexacarboxylate, a novel metal–organic framework ( ZJNU-60) has been solvothermally synthesized and structurally characterized by single-crystal X-ray diffraction. ZJNU-60 consists of dicopper paddlewheel secondary building units interconnected by organic linkers to form a bilayer with a rectangular channel running along the b axis. Upon desolvation, the framework underwent severe distortion and pore contraction, but the permanent porosity has been established as shown in C 2H 6, CO 2 and CH 4 gas isotherms. Furthermore, the activated ZJNU-60a displayed impressive adsorption selectivities toward C 2H 6 and CO 2 over CH 4, indicating the potential for the separation of CO 2 and C 2H 6 from CH 4. This is the first example of a MOF constructed from a flexible cyclotriphosphazene-functionalized hexacarboxylate for selective gas separation.

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          Functional Porous Coordination Polymers

          The chemistry of the coordination polymers has in recent years advanced extensively, affording various architectures, which are constructed from a variety of molecular building blocks with different interactions between them. The next challenge is the chemical and physical functionalization of these architectures, through the porous properties of the frameworks. This review concentrates on three aspects of coordination polymers: 1). the use of crystal engineering to construct porous frameworks from connectors and linkers ("nanospace engineering"), 2). characterizing and cataloging the porous properties by functions for storage, exchange, separation, etc., and 3). the next generation of porous functions based on dynamic crystal transformations caused by guest molecules or physical stimuli. Our aim is to present the state of the art chemistry and physics of and in the micropores of porous coordination polymers.
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            Metal-organic framework materials as chemical sensors.

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              Metal-organic frameworks in biomedicine.

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                Author and article information

                Journal
                CRECF4
                CrystEngComm
                CrystEngComm
                Royal Society of Chemistry (RSC)
                1466-8033
                2015
                2015
                : 17
                : 33
                : 6314-6319
                Affiliations
                [1 ]College of Chemistry and Life Sciences
                [2 ]Zhejiang Normal University
                [3 ]Jinhua 321004, China
                [4 ]State Key Laboratory of Coordination Chemistry
                [5 ]School of Chemistry and Chemical Engineering
                [6 ]Nanjing University
                [7 ]Nanjing 210093, China
                Article
                10.1039/C5CE00930H
                a219abf7-c20a-4f8f-9902-8d9d478c8a84
                © 2015
                History

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