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Insights into inorganic buffer layer-assisted in situ fabrication of MOF films with controlled microstructures

Abstract

In this study, it was demonstrated that the introduction of Co-Al/Mg-Al hydrotalcite-like compound buffer layers on porous α-Al2O3 substrates enabled effective manipulation of the microstructure of ZIF-7 films so that metal ions located in inorganic buffer layers were not necessarily identical with those residing in MOF crystals. Moreover, zinc sources were found to exert significant influence on final microstructure of prepared ZIF-7 films. In addition to ZIF-7, well-intergrown ZIF-8 and HKUST-1 films could also be in situ grown on diverse HTlc buffer layer-modified α-Al2O3 substrates, which convincingly demonstrated the generality of this strategy for the facile preparation of qualified MOF films/membranes.

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Publication details

The article was accepted on 10 Oct 2018 and first published on 10 Oct 2018


Article type: Paper
DOI: 10.1039/C8CE01681J
Citation: CrystEngComm, 2018, Accepted Manuscript
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    Insights into inorganic buffer layer-assisted in situ fabrication of MOF films with controlled microstructures

    Y. Liu, R. Matsuda, S. Kusaka, A. Hori, Y. Ma and S. Kitagawa, CrystEngComm, 2018, Accepted Manuscript , DOI: 10.1039/C8CE01681J

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