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    A novel and simple route to prepare a Pt nanoparticle-loaded carbon nanofiberelectrode for hydrogen peroxide sensing

    Access Status
    Fulltext not available
    Authors
    Liu, Yang
    Wang, D.
    Xu, L.
    Hou, H.
    You, T.
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Liu, Y. and Wang, D. and Xu, L. and Hou, H. and You, T. 2011. A novel and simple route to prepare a Pt nanoparticle-loaded carbon nanofiberelectrode for hydrogen peroxide sensing. Biosensors and Bioelectronics. 26 (11): pp. 4585-4590.
    Source Title
    Biosensors and Bioelectronics
    DOI
    10.1016/j.bios.2011.05.034
    ISSN
    0956-5663
    URI
    http://hdl.handle.net/20.500.11937/29720
    Collection
    • Curtin Research Publications
    Abstract

    A facile wet-chemical method was developed to prepare a novel Pt nanoparticle-loaded carbon nanofiber (Pt/CNF) electrode. Without using any stabilizer or pretreatment procedure, large amounts of Pt nanoparticles could be well deposited on the surface of the electrospun CNF electrode at room temperature, as revealed by scanning electron microscopy (SEM). The effect of the precursor concentration on the formation of Pt catalysts was investigated to optimize the performance of the proposed hybrid electrode. When applied to the electrochemical detection of hydrogen peroxide (H2O2), the Pt/CNF electrode exhibited low overpotential, fast response and high sensitivity. A low detection limit of 0.6 μM with wide linear range of 1–800 μM (R = 0.9991) was achieved at the Pt/CNF electrode, which was superior to that obtained with other H2O2 electrochemical sensors reported previously. In addition, the Pt/CNF electrode showed good selectivity for H2O2 detection in the presence of ascorbic acid (AA), acetaminophenol (AP) and uric acid (UA) under physiological pH condition. The attractive analytical performances and facile preparation method made this novel hybrid electrode promising for the development of effective H2O2 sensors.

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