4.2 Article

Electrochemical Properties, Antimicrobial Activity and Photocatalytic Performance of Cerium-Iron Oxide Nanoparticles

期刊

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
卷 96, 期 1, 页码 209-215

出版社

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036024422010228

关键词

antibacterial; cerium oxide; ciprofloxacin; iron oxide

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In this study, cerium doped iron oxide nanoparticles were synthesized using the hydrothermal method and characterized by various techniques. The results showed that increasing the cerium content enhanced the degradation rate of ciprofloxacin, increased the specific capacitance value of the electrodes, and improved the antibacterial activity against Escherichia coli.
Cerium doped iron oxide nano-structured particles were synthesized by the hydrothermal method, which is a simple and inexpensive. The structure and properties of the samples were characterized by X-ray diffraction analysis (XRD), UV-Vis absorption spectroscopy (UV), scanning electron microscopy (SEM), and cyclic voltammetry (CV). Ciprofloxacin (CIP) degradation under visible light was observed to increase with increase in the ratio of cerium in the samples; the degradation percentage was 73% for the Fe20Ce sample. The electrodes produced from the synthesized particles were clearly seen to have an effect on the specific capacitance value of the cerium additive at a constant 100 mV(-1) scanning rate. In the antimicrobial activity analysis performed by Kirby-Bauer's disk diffusion method, it was determined that the activity of Fe20Ce nanoparticles against Escherichia coli (E. coli) bacteria was better than in the control group with antibiotics used in the study. An increase in the amount of cerium in the cerium-doped iron oxide nanoparticles positively affected their photocatalytic activity under visible light, the specific capacitance value and the efficiency against E-coli bacteria. Cerium doped iron oxide nanoparticles have been found to be a promising material that can be used in wastewater treatment, energy storage and antibacterial applications.

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