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Issue 13, 2014
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Zeolitic imidazolate framework composite membranes and thin films: synthesis and applications

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Abstract

Zeolitic imidazolate frameworks (ZIFs), a subclass of metal organic frameworks, are built of tetrahedral metal ions bridged by imidazolates. They have permanent porosity and relatively high thermal and chemical stability, which make them attractive candidates for many industrial applications. In recent years, significant progress has been made in developing ZIFs into membranes and thin films for gas separation, liquid separation (pervaporation) and functional devices. Various techniques, such as direct synthesis, secondary synthesis, reactive seeding and functional chemicals as linkers, and contra-diffusion synthesis, have been reported for the fabrication of ZIF membranes and films. As ZIFs have good compatibility with polymers, they have been incorporated into polymers with high loadings to form mixed matrix membranes. The resulting symmetric dense or asymmetric composite membranes exhibit good performance in gas separation and liquid separation via pervaporation. The recent developments of ZIF membranes/films, ZIF–polymer mixed matrix membranes and their applications are reviewed in this article.

Graphical abstract: Zeolitic imidazolate framework composite membranes and thin films: synthesis and applications

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Publication details

The article was received on 30 Dec 2013 and first published on 25 Mar 2014


Article type: Review Article
DOI: 10.1039/C3CS60480B
Citation: Chem. Soc. Rev., 2014,43, 4470-4493
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    Zeolitic imidazolate framework composite membranes and thin films: synthesis and applications

    J. Yao and H. Wang, Chem. Soc. Rev., 2014, 43, 4470
    DOI: 10.1039/C3CS60480B

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