Recently, porous metal-organic frameworks (MOFs) have been studied as a promising class of materials to reach the U.S. Department of Energy (DOE) targets for vehicular hydrogen storage. Inspired by close-packing of spheres, to strengthen the framework-H2 interaction in MOFs (metal-organic frameworks), a strategy is devised to increase the number of nearest neighboring open metal sites of each H2-hosting cage, and to align the open metal sites toward the H2 molecules. Two MOF polymorphs were made, one exhibiting a record high hydrogen uptake of 3.0 wt % at 1 bar and 77 K.


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    Title :

    Enhancing H2 uptake by close-packing alignment of open copper sites in metal-organic frameworks


    Contributors:

    Published in:

    Publication date :

    2008


    Size :

    4 Seiten, 8 Bilder, 1 Tabelle, 47 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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