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    Metal–organic framework thin films for protective coating of Pd-based optical hydrogen sensors

    Access Status
    Fulltext not available
    Authors
    Szilagyi, Petra
    Westerwaal, R.
    van de Krol, R.
    Geerlings, H.
    Dam, B.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Szilagyi, P. and Westerwaal, R. and van de Krol, R. and Geerlings, H. and Dam, B. 2013. Metal–organic framework thin films for protective coating of Pd-based optical hydrogen sensors. Journal of Materials Chemistry C. 1 (48): pp. 8146-8155.
    Source Title
    Journal of Materials Chemistry C
    DOI
    10.1039/c3tc31749h
    ISSN
    2050-7526
    URI
    http://hdl.handle.net/20.500.11937/46425
    Collection
    • Curtin Research Publications
    Abstract

    For an economy with hydrogen as the major energy carrier, the development of affordable, reliable, sensitive and selective hydrogen sensors is indispensable. In principle, Pd-based optical-fibre sensors could meet such requirements if the cross-contamination effect of the Pd surface by e.g. oxygen, moisture or carbon monoxide can be prevented. Here, we propose the pioneering idea of using a metal–organic framework (MOF) thin film as a tuneable protective coating. As a proof of principle, we demonstrate that homogeneous and continuous MOF coatings can indeed be deposited on Pd surfaces without serious compromise of the sensor's response, opening the way for the optimisation of hydrogen-selective MOF thin films.

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