| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Preparation and Photocatalytic Performance Study of ZnO/CuO Hierarchical Structure Based on Electrospinning and Hydrothermal Technology |
| XIE Yunying1, FAN Chao2, WANG Xiaomei1, SUN Fazhe3,*
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1 School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, Shandong, China
2 SINOPEC Research Institute of Safety Engineering Co., Ltd. State Key Laboratory of Chemical Safety, Qingdao 266104, Shandong, China
3 Analysis and Testing Center, Shandong University of Technology, Zibo 255000, Shandong, China |
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Abstract ZnO/CuO hierarchical structure was fabricated with electrostatic spinning and hydrothermal method. The nanofiber of ZnO/CuO and hierarchical structure of ZnO/CuO were characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and ultraviolet diffuse reflectance spectroscopy (UV-Vis). The photocatalytic properties of ZnO/CuO nanofiber and ZnO/CuO hierarchical structure were systematically investigated. The results displayed that the photocatalytic performances of ZnO/CuO hierarchical structure were higher than that of ZnO/CuO nanofiber. The efficiency of photocatalysis became better with the increase of catalyst dosage. According to the UV-Vis absorption spectra, the characteristic absorption peak of methyl orange (MO) at 462 nm almost disappeared after 50 min (the MO solution was nearly colorless) when 10 mg of ZnO/CuO hierarchical structure was used as the catalyst. This can be attributed to the fact that the hierarchical structure not only enhanced the specific surface area of the material and promoted the generation of more catalytic sites, but also shortened the diffusion path of charge carriers, thereby enabling photogenerated electron-hole pairs to participate more efficiently in the photocatalytic reaction.
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Published: 25 April 2026
Online: 2026-05-06
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