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International Journal of Engineering، جلد ۳۴، شماره ۳، صفحات ۷۲۱-۷۲۷
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عنوان انگلیسی Synthesis and Characterization of TiO2/CuO/WO3 Ternary Composite and its Application as Photocatalyst
چکیده انگلیسی مقاله Photocatalytic removal of water and air pollution has received much attention today. Many photocatalysts based on semiconductors have been developed and used. Binary and even ternary composites have been developed to solve the drawback of semiconductors, including high band gaps and short life time of charge carriers. In this study, a three-component composite of TiO2/CuO/WO3 was synthesized by adding WO3 to TiO2/CuO. Their structural properties were evaluated by analyzes X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), and diffusive reflectance spectra (DRS) and their performance by methylene orange dye removal. The results of XRD and SEM analysis showed purity and uniform distribution of elements. The combination of TiO2/10%CuO and 15%WO3 with band gap 2.66 eV showed the highest rate constant of dye removal (0.0301 min-1).
کلیدواژه‌های انگلیسی مقاله Ternary composite,TiO2/CuO,TiO2/CuO/WO3,photocatalyst
نویسندگان مقاله H. Kohestani |
Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Iran

R. Ezoji |
Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Iran

نشانی اینترنتی https://www.ije.ir/article_125924_11505732ceb69d288a1698d1280e84a3.pdf
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