Iranian Chemical Engineering Journal

Iranian Chemical Engineering Journal

The Removal of Ciprofloxacin from Water Using the Schottky Junction between Bi Nanoparticles and CuO

Document Type : Original Article

Authors
.A. H Cheshme Khavar 1
.Z Khazaee 2
1 Assistant Professor of Inorganic Chemistry, Farhangian University
2 Ph. D. of Inorganic Chemistry, Tarbiat Modares University
10.22034/ijche.2024.478460.1446
Abstract
In this study, the synthesis and characterization of copper oxide modified with bismuth nanoparticles in order to achieve a suitable photocatalytic performance for the degradation of the ciprofloxacin under visible light is reported for the first time. The results showed that the optimization process was very efficient and led to about four times improvement in photocatalytic performance compared to bare CuO. This is due to the synergistic effect between light absorption through the surface plasmon resonance of bismuth nanoparticles and the creation of an electron transfer channel at the copper oxide/bismuth interface, which results in an enhance the absorption of visible photons and decrease the rate of recombination of charge carriers. The results indicated the superoxide radical is the main active species in the oxidation reaction of ciprofloxacin. Developing of novel photocatalysts based on nanoparticles with surface plasmon resonance effect will present new insights to replace expensive noble metals such as gold and silver for the removal of water contaminants.
Keywords
Photocatalyst
Ciprofloxacin
CuO
Bi Nanoparticles

 

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Iranian Chemical Engineering Journal
Volume 24, Issue 141
November and December 2025
Pages 89-100