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Porous and Dense Magnesium Borohydride Frameworks: Synthesis, Stability, and Reversible Absorption of Guest Species

Authors

  • Prof. Yaroslav Filinchuk,

    Corresponding author
    1. Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain place L. Pasteur 1, 1348 Louvain-la-Neuve (Belgium) http://filinchuk.com/
    2. Center for Materials Crystallography, Interdisciplinary Nanoscience Center and Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C (Denmark)
    3. Swiss-Norwegian Beam Lines at ESRF, BP-220, 38043 Grenoble (France)
    • Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain place L. Pasteur 1, 1348 Louvain-la-Neuve (Belgium) http://filinchuk.com/
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  • Bo Richter,

    1. Center for Materials Crystallography, Interdisciplinary Nanoscience Center and Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C (Denmark)
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  • Prof. Torben R. Jensen,

    Corresponding author
    1. Center for Materials Crystallography, Interdisciplinary Nanoscience Center and Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C (Denmark)
    • Center for Materials Crystallography, Interdisciplinary Nanoscience Center and Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C (Denmark)
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  • Prof. Vladimir Dmitriev,

    1. Swiss-Norwegian Beam Lines at ESRF, BP-220, 38043 Grenoble (France)
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  • Dr. Dmitry Chernyshov,

    1. Swiss-Norwegian Beam Lines at ESRF, BP-220, 38043 Grenoble (France)
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  • Dr. Hans Hagemann

    1. Département de Chimie Physique, University of Geneva, 1211 Geneva (Switzerland)
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  • The authors acknowledge SNBL for the in-house beamtime allocation, J.-F. Statsyns for BET measurements and V. D’Anna for recording the IR spectra. The work was supported by the Danish National Research Foundation (Center for Materials Crystallography), The Danish Strategic Research Council (Center for Energy Materials), the Danish Research Council for Nature and Universe (Danscatt), and by the Swiss National Science Foundation. We are grateful to the Carlsberg Foundation.

Abstract

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Hoch besetzt: Eine hoch poröse Form von Mg(BH4)2 (siehe Bild; Mg grün, BH4 blau, Elementarzellen rot) adsorbiert H2, N2 und CH2Cl2 reversibel. Bei hohen Drücken wandelt sich das Material in ein verschachteltes Gerüst um, das eine um 79 % höhere Dichte als die anderen Polymorphe aufweist. Mg(BH4)2 kann als ein Koordinationspolymer wirken, das starke Ähnlichkeiten mit Metall-organischen Gerüsten aufweist.

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