Synthesis, physico-chemical characterizations and antibacterial properties of copper oxide (I) nanopowders elaborated by out-of-phase pulsed sonoelectrochemistry

Nanopowders of copper (I) oxide (Cu2O, cuprite) were synthesized by out-of-phase pulsed sonoelectrochemical method and characterized by several physico-chemical techniques (X-ray diffraction, transmission electronic miscroscopy, energy-dispersive x-ray spectroscopy, centrifugal liquid sedimentation,...

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Published in:Materials chemistry and physics 2022-10, Vol.290, p.126614, Article 126614
Main Authors: Fattoum, Sirine, Chopart, Jean-Paul, Charpentier, Emilie, Mejia, Jorge, Gangloff, Sophie C., Mancier, Valérie
Format: Article
Language:English
Subjects:
Bactericidal materials
Chemical Sciences
Cuprite
Cuprous oxide nanoparticles
Engineering Sciences
Material chemistry
Micro and nanotechnologies
Microelectronics
Semiconducting materials
Sonoelectrochemistry
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Summary:Nanopowders of copper (I) oxide (Cu2O, cuprite) were synthesized by out-of-phase pulsed sonoelectrochemical method and characterized by several physico-chemical techniques (X-ray diffraction, transmission electronic miscroscopy, energy-dispersive x-ray spectroscopy, centrifugal liquid sedimentation, zeta potentials and specific area measurements). The same analyses were done on commercial cuprite and copper nanopowders for comparison. Once the chemical nature and morphology of the three materials have been determined, bactericidal assays were performed on methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli (E. coli) in Trypto-Casein-Soy medium. The results show that sonoelectrochemical Cu2O nanopowders are good antibacterial material as compared to the two commercial nanopowders while using a synthesis method that is inexpensive and adaptable to the industrial scale. [Display omitted] •Sonoelectrochemical Cu2O nanopowders are efficient bactericide materials in tryptocasein-soy.•Antibacterial activity is better against Staphylococcus aureus than Escherichia coli.•The nanopowder is bactericide at low mass concentration.
ISSN:0254-0584
1879-3312
DOI:10.1016/j.matchemphys.2022.126614