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    Dumbbell-Shaped Bi-component Mesoporous Janus Solid Nanoparticles for Biphasic Interface Catalysis

    Access Status
    Open access via publisher
    Authors
    Yang, T.
    Wei, L.
    Jing, L.
    Liang, J.
    Zhang, X.
    Tang, M.
    Monteiro, M.
    Chen, Y.
    Wang, Y.
    Gu, S.
    Zhao, D.
    Yang, H.
    Liu, Jian
    Lu, G.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Yang, T. and Wei, L. and Jing, L. and Liang, J. and Zhang, X. and Tang, M. and Monteiro, M. et al. 2017. Dumbbell-Shaped Bi-component Mesoporous Janus Solid Nanoparticles for Biphasic Interface Catalysis. Angewandte Chemie - International Edition. 56 (29): pp. 8459-8436.
    Source Title
    Angewandte Chemie - International Edition
    DOI
    10.1002/anie.201701640
    ISSN
    1433-7851
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/53678
    Collection
    • Curtin Research Publications
    Abstract

    There is a strong desire to design and synthesize catalysts that assemble at the oil-water interface to improve the efficiency of biphasic reactions. Anisotropic dumbbell-shaped bi-component mesoporous carbon-organosilica Janus particles with asymmetric wettability are synthesized through a one-step compartmentalized growth of a mesoporous organosilica sphere attached to a mesoporous resorcinol-formaldehyde (RF) sphere. A library was prepared of tunable Janus particles possessing diverse hollow structures with various functionalities. As a proof of concept, the Janus particle-derived catalyst can assemble at the oil-water interface to stabilize Pickering emulsions. Owing to the increased reaction interface area, the Janus catalyst exhibits a more than three-fold increase in catalytic efficiency compared to the Pt loaded carbon sphere catalyst in aqueous hydrogenation reactions.

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