Silver nanoparticles/polymethacrylic acid (AgNPs/PMA) hybrid nanocomposites-modified electrodes for the electrochemical detection of nitrate ions
2
Department of Electronic Engineering
3
Chemistry and Industrial Engineering
5
Contrada di Dio 98166 Messina Italy
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Publication type: Journal Article
Publication date: 2016-04-01
scimago Q1
wos Q1
SJR: 1.244
CiteScore: 11.5
Impact factor: 5.6
ISSN: 02632241, 1873412X
Condensed Matter Physics
Electrical and Electronic Engineering
Instrumentation
Applied Mathematics
Abstract
AgNPs/PMA hybrid nanocomposite materials with different Ag loadings have been synthesized using a simple chemical route assisted by UV irradiation. The hybrid composites were characterized by means of SEM and TEM, UV–vis spectroscopy and XPS. The as synthesized hybrid samples, composed of small Ag nanoparticles (AgNPs) embedded within the PMA (poly-methacrylic-acid) matrix, have been used to modify the working electrode of disposable screen printed carbon electrodes (SPCEs). It has been observed that hybrid composite with the lowest Ag loading forms dendritic silver structures on the surface of working electrode, whereas at higher loadings massive structures were formed. The electrocatalytic properties of the AgNPs/PMA/SPCEs were investigated toward the reduction of nitrate at neutral pH. Based on these modified electrodes, both voltammetric and amperometric sensors were developed for the electrochemical sensing of nitrate. Voltammetric sensor showed a wide linear range (0–20 mM) and high sensitivity (130 μA mM −1 cm −2 ).
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Total citations:
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Citations from 2024:
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(43.47%)
The most citing journal
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Bonyani M. et al. Silver nanoparticles/polymethacrylic acid (AgNPs/PMA) hybrid nanocomposites-modified electrodes for the electrochemical detection of nitrate ions // Measurement: Journal of the International Measurement Confederation. 2016. Vol. 84. pp. 83-90.
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Bonyani M., Mirzaei A. A., Leonardi S., Neri G. Silver nanoparticles/polymethacrylic acid (AgNPs/PMA) hybrid nanocomposites-modified electrodes for the electrochemical detection of nitrate ions // Measurement: Journal of the International Measurement Confederation. 2016. Vol. 84. pp. 83-90.
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TY - JOUR
DO - 10.1016/j.measurement.2016.02.005
UR - https://doi.org/10.1016/j.measurement.2016.02.005
TI - Silver nanoparticles/polymethacrylic acid (AgNPs/PMA) hybrid nanocomposites-modified electrodes for the electrochemical detection of nitrate ions
T2 - Measurement: Journal of the International Measurement Confederation
AU - Bonyani, M.
AU - Mirzaei, A. A.
AU - Leonardi, Salvatore
AU - Neri, G.
PY - 2016
DA - 2016/04/01
PB - Elsevier
SP - 83-90
VL - 84
SN - 0263-2241
SN - 1873-412X
ER -
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BibTex (up to 50 authors)
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@article{2016_Bonyani,
author = {M. Bonyani and A. A. Mirzaei and Salvatore Leonardi and G. Neri},
title = {Silver nanoparticles/polymethacrylic acid (AgNPs/PMA) hybrid nanocomposites-modified electrodes for the electrochemical detection of nitrate ions},
journal = {Measurement: Journal of the International Measurement Confederation},
year = {2016},
volume = {84},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.measurement.2016.02.005},
pages = {83--90},
doi = {10.1016/j.measurement.2016.02.005}
}