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Modulation of Pore Shape and Adsorption Selectivity by Ligand Functionalization in a Series of “rob”-like Flexible Metal-Organic Frameworks

Abstract

We report the synthesis of a new family of four new isoreticular metal-organic frameworks (MOFs) based on Cu-Cu paddle-wheel building units. The four MOFs contain 1D microchannels modulated by chemical functionalisation of the dicarboxylate ligand or the use of different bis-4,4’-pyridyl-like connectors behaving as ancillary linkers. A deep analysis of their CO2, H2 and CH4 adsorption properties, combining both experimental and grand canonical Monte Carlo isotherms as well as in-situ synchrotron X-ray diffraction, shows variable adsorption behaviour towards the studied gases, with some materials acting as molecular sieves with virtually infinite selectivity.

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Publication details

The article was received on 09 May 2018, accepted on 07 Aug 2018 and first published on 08 Aug 2018


Article type: Paper
DOI: 10.1039/C8TA04316G
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Modulation of Pore Shape and Adsorption Selectivity by Ligand Functionalization in a Series of “rob”-like Flexible Metal-Organic Frameworks

    J. Cepeda, M. Perez-Mendoza, A. J. Calahorro, N. Casati, J. M. Seco, M. Aragones-Anglada, P. Z. Moghadam, D. Fairen-Jimenez and A. Rodríguez Diéguez, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA04316G

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