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Nafion/Polypyrrole Blends for Non Enzymatic Detection of Hydrogen Peroxide
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Nafion/Polypyrrole Blends for Non Enzymatic Detection of Hydrogen Peroxide

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Abstract:

Mainly capacitive electrochemical devices have been developed by depositing ion conducting Nafion/Polypyrrole mixtures, onto the gap between gold and Multi Walled Carbon Nanotubes (MWCNTs) electrodes, applied on copier grade transparency sheets. The electrical properties of the MWCNTs/Nafion:Polypyrrole/Au devices are investigated by means of frequency dependent impedance measurements, and time domain electrical characterization. The results of current measurements performed in 0.1 M NaOH aqueous solutions, in response to triangular voltage inputs, show that the MWCNTs/Nafion:Polypyrrole/Au devices reversibly respond to the presence of H2O2, with a lower detection limit of about 5 μM.

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Periodical:

Key Engineering Materials (Volume 543)

Pages:

255-260

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.543.255

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Online since:

March 2013

Authors:

A. Arena, G. Scandurra, C. Ciofi, G. Saitta

Keywords:

Nafion, Non Enzymatic Hydrogen Peroxide Sensors, Polypyrrole

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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