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Synthesis, characterization, and application of CuO nanoparticle 2D doped with Zn2+ against photodegradation of organic dyes (MB & MO) under sunlight

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Abstract

Nanocomposites CuO and CuO/CuZnO were synthesized by chemical deposition because this method is faster, easier, and cheaper than other methods. FESEM analysis showed that synthesized nanoparticles have a rice-like structure, TEM micrograph showed that they crystallized in a 2D structure, and EDS element mapping showed that the elements are homogeneously scattered throughout the structure. The doped Zn elements in nanocomposite CuO/CuZnO form the Cu–O–Zn structures. Thermal analysis showed that the compound CuO/CuZnO has a high thermal stability. The photocatalytic activity of the compound is very effective in cationic (MB) and anionic (MO) degradation of colored pollutants in the presence of H2O2 and under sunlight. A kinetic study showed that degradation follows the first-order kinetics. Synthesized nanoparticles have good catalytic performance with high repeatability to the fifth cycle of degradation reaction. Therefore, these nanocomposites are good candidates for color degradation with a good efficiency in wastewater treatment.

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The authors of this article express their gratitude for Sistan and Baluchestan University financial support of the project.

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  1. Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, P. O. Box 98135-674, Zahedan, Iran

    Masoud Memar, Ali Reza Rezvani & Sania Saheli

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Memar, M., Rezvani, A.R. & Saheli, S. Synthesis, characterization, and application of CuO nanoparticle 2D doped with Zn2+ against photodegradation of organic dyes (MB & MO) under sunlight. J Mater Sci: Mater Electron 32, 2127–2145 (2021). https://doi.org/10.1007/s10854-020-04979-z

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