Circuit modeling on polyaniline functionalized nanowire-templated micro-interdigital capacitors for pH sensing

V.A. Antohe, A. Radu, Stefan Mátéfi-Tempfli, L. Piraux

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    Abstrakt

    This study presents an improved alternative current (ac) circuit modeling of a highly sensitive capacitive pH-sensing element based on polyaniline (PANI) functionalized nanowire-templated micro-interdigited electrodes (NWs μIDEs). While electrical resonance measurements deal with a total equivalent capacity, comparative investigations show a good agreement with the fitting parameters of the corresponding model. A physical interpretation of the model is discussed to help in understanding the detection mechanism and a possible methodology to be used for further integration of the subsequent device is suggested.
    OriginalsprogEngelsk
    TidsskriftIEEE Transactions on Nanotechnology
    Vol/bind10
    Udgave nummer6
    Sider (fra-til)1314-1320
    Antal sider7
    ISSN1536-125X
    DOI
    StatusUdgivet - 1. nov. 2011

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