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journal article·2024-11-15Open access

ZnO/CuO heterojunction prepared by sol-gel: characterization and photocatalytic evaluation

Autonomous Juarez University of Tabasco, University Avenue S/N, Magisterial Neighborhood, Villahermosa, Tabasco. ZC. 86040 Mexico, J. M. Rodríguez Valencia, E. Ramírez Morales, Autonomous Juarez University of Tabasco, University Avenue S/N, Magisterial Neighborhood, Villahermosa, Tabasco. ZC. 86040 Mexico, M. G. Hernandez Cruz, Autonomous Juarez University of Tabasco, University Avenue S/N, Magisterial Neighborhood, Villahermosa, Tabasco. ZC. 86040 Mexico, F. Servín de Dios, Academic Area of Earth Sciences and Materials, Institute of Basic Sciences and Engineering, Autonomous University of the State of Hidalgo, Pachuca-Tulancingo Highway km. 4.5, Mineral de la Reforma 42184, Hidalgo, Mexico, L. Rojas Blanco, Autonomous Juarez University of Tabasco, University Avenue S/N, Magisterial Neighborhood, Villahermosa, Tabasco. ZC. 86040 Mexico

Digest Journal of Nanomaterials and Biostructures· Volume 19· Issue 4
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Abstract

ZnO, CuO and the ZnO/CuO heterojunction were prepared using zin acetate and copper acetate by sol-gel method. The materials were characterized by: TGA, XRD, XPS, SEM, TEM, EDS and UV-Vis. The heterostructure showed a synergistic effect compared to pure materials. The XPS results confirm the existence of a heterostructure. The morphology is a combination of characteristic morphologies of ZnO and CuO. The bandgap of ZnO decreases with the incorporation of CuO. The photocatalytic efficiency of the heterostructure increases; the degradation percentages were better for the heterostructures in both radiations: Ultraviolet and Visible.
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Research context

Catalysis & surfaces

OpenAlex topics: Copper-based nanomaterials and applications · ZnO doping and properties · Transition Metal Oxide Nanomaterials

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