Screen-Printed Soft-Nitrided Carbon Electrodes for Detection of Hydrogen Peroxide.

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ID: 29422
2019
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Abstract
Nitrogen-doped carbon materials have garnered much interest due to their electrocatalytic activity towards important reactions such as the reduction of hydrogen peroxide. N-doped carbon materials are typically prepared and deposited on solid conductive supports, which can sometimes involve time-consuming, complex, and/or costly procedures. Here, nitrogen-doped screen-printed carbon electrodes (N-SPCEs) were fabricated directly from a lab-formulated ink composed of graphite that was modified with surface nitrogen groups by a simple soft nitriding technique. N-SPCEs prepared from inexpensive starting materials (graphite powder and urea) demonstrated good electrocatalytic activity towards hydrogen peroxide reduction. Amperometric detection of HO using N-SPCEs with an applied potential of -0.4 V (vs. Ag/AgCl) exhibited good reproducibility and stability as well as a reasonable limit of detection (2.5 µM) and wide linear range (0.020 to 5.3 mM).
Reference Key
ogbu2019screenprintedsensors Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ogbu, Chidiebere I;Feng, Xu;Dada, Samson N;Bishop, Gregory W;
Journal sensors
Year 2019
DOI
E3741
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Keywords Keywords not found

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