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    Palladium Nanoparticles Encapsulated in a Silicalite-1 Zeolite Shell for Size-Selective Catalysis in Liquid-Phase Solution

    Access Status
    Fulltext not available
    Authors
    Liu, C.
    Liu, Jian
    Yang, S.
    Cao, C.
    Song, W.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Liu, C. and Liu, J. and Yang, S. and Cao, C. and Song, W. 2016. Palladium Nanoparticles Encapsulated in a Silicalite-1 Zeolite Shell for Size-Selective Catalysis in Liquid-Phase Solution. ChemCatChem. 8 (7): pp. 1279-1282.
    Source Title
    ChemCatChem
    DOI
    10.1002/cctc.201501383
    ISSN
    1867-3880
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/73485
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Size-selective catalysis is of great significance in both fundamental research and industrial applications. One well-known example is zeolite-based catalysts, which show remarkable size selectivity in gas-phase reactions. However, very few of these catalysts are realized in liquid-phase solution. Herein, we report an efficient route to produce a composite composed of Pd nanoparticles encapsulated in a silicalite-1 zeolite shell. This composite shows sharp size-selective catalysis in the hydrogenation of olefin aldehydes in aqueous solution. Owing to the pore-size limitation of the silicalite-1 zeolite shell (0.53×0.56 nm), the catalyst shows high activity in the hydrogenation of 3-methyl-2-butenal (0.38×0.62 nm) and cinnamaldehyde (0.54×0.92 nm) but no activity for the hydrogenation of 3,3-diphenylacrylaldehyde (0.81×1.0 nm). A catalyst with this type of structure can be applied to load other metal nanoparticles and can serve as a useful platform to study heterogeneous size-selective catalysis in liquid solution.

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