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Magnetic Cores with Porous Coatings: Growth of Metal-Organic Frameworks on Particles Using Liquid Phase Epitaxy

Authors

  • Martin E. Silvestre,

    1. Institute of Functional Interfaces, Karlsruhe Institute of Technology, Herrman-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany
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  • Matthias Franzreb,

    1. Institute of Functional Interfaces, Karlsruhe Institute of Technology, Herrman-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany
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  • Peter G. Weidler,

    1. Institute of Functional Interfaces, Karlsruhe Institute of Technology, Herrman-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany
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  • Osama Shekhah,

    1. Institute of Functional Interfaces, Karlsruhe Institute of Technology, Herrman-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany
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  • Christof Wöll

    Corresponding author
    1. Institute of Functional Interfaces, Karlsruhe Institute of Technology, Herrman-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany
    • Institute of Functional Interfaces, Karlsruhe Institute of Technology, Herrman-von-Helmholtz-Platz 1, 76344 Karlsruhe, Germany.
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Abstract

A novel method for the homogeneous coating of magnetic nanoparticles with metal organic frameworks (MOFs) is reported. Using a liquid phase epitaxy process, a well-defined number of [Cu3(btc)2]nH2O, HKUST-1, layers are grown on COOH terminated silica magnetic beads. The structure and porosity of the deposited MOF coatings are studied using X-ray diffraction and BET analysis. In addition, size and shape of the fabricated composites are analyzed by transmission electron microscopy. Potential applications of particle based MOF films include catalytic coatings and chromatographic media.

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