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Determination of Hydrogen Peroxide Using Electrochemical Sensor Modified with N, P, S Co-Doped Porous Carbon/Chitosan-Nano Copper

Authors
  • Zhai, Xiurong1
  • Cao, Yang2
  • Liu, Hejian3
  • 1 Department of Chemistry and Chemical Engineering, Jining University, Qufu City, Shandong Province, 273155, PR China , Qufu City (China)
  • 2 Ecological and Environmental Affairs Center of Jining City, Jining City, Shandong Province, 272000, PR China , Jining City (China)
  • 3 Ecological Environment Monitoring Center of Zaozhuang City, Zaozhuang City, Shandong Province, 277000, PR China , Zaozhuang City (China)
Type
Published Article
Journal
Journal of Analytical Chemistry
Publisher
Pleiades Publishing
Publication Date
Jul 03, 2021
Volume
76
Issue
7
Pages
891–897
Identifiers
DOI: 10.1134/S1061934821070121
Source
Springer Nature
Keywords
Disciplines
  • Articles
License
Yellow

Abstract

AbstractThe electrochemical sensor was developed based on electrodeposition of chitosan/copper nanoparticles (CT-nano Cu) on the electrode modified with N, P, S co-doped porous carbon (N, P, [email protected]). Scanning electron microscopy image has shown that nano Cu in CT-nano Cu/N, P, [email protected] composite is uniform with an average size of about 70 nm. CT-nano Cu/N, P, [email protected] modified electrode displays good conductivity. More importantly, the electrochemical sensor based on CT-nano Cu/N, P, [email protected] shows good electrocatalytic reduction properties of hydrogen peroxide such as wide linear range, low detection limit, fast response time, high stability and good selectivity, due to the synergistic effect between N, P, [email protected] and nano Cu toward H2O2 and the immobilized action of CT as hydrogel. Therefore, this developed sensor based on CT-nano Cu/N, P, [email protected] provides a good platform for the detection of H2O2.

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