MOF Scaffold for a High-Performance Mixed-Matrix Membrane.

Publisher:
WILEY-V C H VERLAG GMBH
Publication Type:
Journal Article
Citation:
Angew Chem Int Ed Engl, 2018, 57, (28), pp. 8597-8602
Issue Date:
2018-07-09
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A novel composite membrane consisting of an interconnected MOF scaffold coated with cross-linked poly(ethylene glycol) (PEG) has been developed. As a result of its unique structure, the membrane shows an exceptional 18-fold permeability enhancement as compared to pristine PEG membranes, without compromising the selectivity. This performance is unattainable with current mixed-matrix membranes (MMMs). Our optimized membrane has a permeability of 2700 Barrer with a CO2 /N2 selectivity of 35, which surpasses the latest Robeson upper bound.
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