articleJournal of the American Chemical SocietyMay 26, 2016Closed access

Fabrication of COF-MOF Composite Membranes and Their Highly Selective Separation of H 2 /CO 2

JFJingru FuSDSaikat DasGXGuolong XingTBTeng BenVVValentin Valtchev

Jilin University · Université de Caen Normandie · +4 more institutions

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Abstract

The search for new types of membrane materials has been of continuous interest in both academia and industry, given their importance in a plethora of applications, particularly for energy-efficient separation technology. In this contribution, we demonstrate for the first time that a metal-organic framework (MOF) can be grown on the covalent-organic framework (COF) membrane to fabricate COF-MOF composite membranes. The resultant COF-MOF composite membranes demonstrate higher separation selectivity of H2/CO2 gas mixtures than the individual COF and MOF membranes. A sound proof for the synergy between two porous materials is the fact that the COF-MOF composite membranes surpass the Robeson upper bound of polymer…

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603
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100%
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Authors

6

Topics & keywords

Topics
Keywords
  • Membrane
  • Gas separation
  • Chemistry
  • Covalent organic framework
  • Covalent bond
  • Selectivity
  • Composite number
  • Metal-organic framework
UN Sustainable Development Goals
  • Affordable and clean energy
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