Locating the Binding Domains in a Highly Selective Mixed Matrix Membrane via Synchrotron IR Microspectroscopy

Nicholas M. Jacques, Peter R. E. Rought, Detlev Fritsch, Mathew Savage, Harry G. W. Godfrey, Lei Li, Tamoghna Mitra, Mark D. Frogley, Gianfelice Cinque, Sihai Yang, Martin Schroder

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Abstract

The binding domains within a mixed matrix membrane (MMM) that is selective for CO2 comprising MFM-300(Al) and the polymer 6FDA-Durene-DABA have been established via in situ synchrotron IR microspectroscopy. The MOF crystals are fully accessible and play a critical role in the binding of CO2, creating a selective pathway to promote permeation of CO2 within and through the MMM. This study reveals directly the molecular mechanism for the overall enhanced performance of this MMM in terms of permeability, solubility and selectivity for CO2.
Original languageEnglish
JournalChemical Communications
Early online date1 Mar 2018
DOIs
Publication statusPublished - 2018

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