Title
Copper Oxide Chitosan Nanocomposite: Characterization and Application in Non-Enzymatic Hydrogen Peroxide Sensing.
Abstract
Electrochemical dissolution of metallic copper into slightly acidic aqueous solutions of chitosan yields a clear and stable dispersion of Copper Oxide nanoparticles into the organic polymer host. The electrochemically synthesized chitosan:CuOx nanocomposite is characterized by means of spectrophotometry, frequency domain electrical measurements and morphological analysis. Solid state electrochemical cells having pure chitosan as the electrolyte and using chitosan:CuOx as the electrode, are developed and characterized by means of electrical measurements performed in the +/- 1 V voltage window. The current-voltage loops of the cells, measured in deionized water, are found to reversibly change in response to hydrogen peroxide added to the water in 0.2 M subsequent steps. Such changes, clearly distinguishable from changes recorded in response to other analytes, can be exploited in order to develop a hydrogen peroxide sensor able to work without the need for any supporting electrolyte.
Year
DOI
Venue
2017
10.3390/s17102198
SENSORS
Keywords
Field
DocType
electrochemical sensor,chitosan,modified electrodes
Inorganic chemistry,Copper oxide,Electrochemical gas sensor,Electrolyte,Supporting electrolyte,Nanocomposite,Engineering,Electrochemistry,Hydrogen peroxide,Copper
Journal
Volume
Issue
ISSN
17
10.0
1424-8220
Citations 
PageRank 
References 
0
0.34
2
Authors
3
Name
Order
Citations
PageRank
Antonella Arena100.34
Graziella Scandurra245.03
Carmine Ciofi385.62