Control of porosity geometry in amino acid derived nanoporous materials

J P Barrio, J N Rebilly, B Carter, D Bradshaw, J Bacsa, A Y Ganin, H Park, A Trewin, R Vaidhyanathan, A I Cooper, J E Warren, M J Rosseinsky

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Substitution of the pillaring ligand in the homochiral open-framework [Ni-2(L-asp)(2)(bipy)] by extended bipy-type ligands leads to a family of layer-structured, homochiral metal-organic frameworks. The {1D} channel topology can be modified by the nature of the organic linker, with shape, cross-section and the chemical functionality tuneable. In addition, the volume of these channels can be increased by up to 36\% compared to the parent [Ni-2(L-asp)(2)(bipy)]. The linker 1,4-dipyridylbenzene (3rbp) gives access to a new layered homochiral framework [Ni-2(L-asp)(2)(3rbp)] with channels of a different shape. In specific cases, non-porous analogues with the linker also present as a guest can be activated to give porous materials after sublimation. Their {CO2} uptake shows an increase of up to 30\% with respect to the parent [Ni,(L-asp)(2)(bipy)] framework.
    Original languageEnglish
    Pages (from-to)4521-4532
    Number of pages12
    JournalChemistry-A European Journal
    Volume14
    DOIs
    Publication statusPublished - 2008

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