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A conducting polymer/Ag nanoparticle composite as a nitrate sensor

A conducting polymer/Ag nanoparticle composite as a nitrate sensor A novel electrochemical sensor was fabricated by electrodeposition of silver nanoparticles on pre-synthesized polypyrrole (PPy), to form a PPy/Ag composite matrix on a glassy carbon electrode. The electrochemical sensor exhibited strong catalytic activity with regards to nitrate reduction. Scanning electron microscopy and cyclic voltammetry were used for the characterization of the composite. The detection limit of nitrate was found to be 5 μM. Moreover, the sensor showed excellent sensitivity, selectivity, and stability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Electrochemistry Springer Journals

A conducting polymer/Ag nanoparticle composite as a nitrate sensor

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References (41)

Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media B.V.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Physical Chemistry; Electrochemistry
ISSN
0021-891X
eISSN
1572-8838
DOI
10.1007/s10800-011-0354-4
Publisher site
See Article on Publisher Site

Abstract

A novel electrochemical sensor was fabricated by electrodeposition of silver nanoparticles on pre-synthesized polypyrrole (PPy), to form a PPy/Ag composite matrix on a glassy carbon electrode. The electrochemical sensor exhibited strong catalytic activity with regards to nitrate reduction. Scanning electron microscopy and cyclic voltammetry were used for the characterization of the composite. The detection limit of nitrate was found to be 5 μM. Moreover, the sensor showed excellent sensitivity, selectivity, and stability.

Journal

Journal of Applied ElectrochemistrySpringer Journals

Published: Sep 30, 2011

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