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This study focuses on improving the photocatalytic degradation efficiency by synthesizing a TiO ₂ / WOㅊ composite. Given the environmental significance of photocatalysis and the limitations posed by TiO2's large bandgap and high electron recombination rate, we explored doping, surface modification, and synthesis strategies. The composite was created using a ball mill process and heat treatment, analyzed with field emission scanning electron microscope, high resolution X-ray diffraction, Raman microscope, and UV-Vis/NIR spectrometer to examine its morphology, composition and absorbance. We found that incorporating WO3 into the TiO2 lattice forms a Wx -Ti<sub>1-x</sub>-O2 solution, with optimal WO3 content reducing the band gap and enhancing sterilization efficiency by inhibiting the anatasese to rutile transition. This contributes to the field by offering a way to overcome TiO2 's limitations and improve photocatalytic performance.
목차
Abstract
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (52)
참고문헌 신청
F. Riboni, M.V. Dozzi, M.C. Paganini, E. Giamello, E. Selli, Photocatalytic activity of TiO2-WO3 mixed oxides in formic acid oxidation, Catalysis Today, 287 (2017) 176-181.
M.N. Magaña, A.E. González, L.M. Ix, S.C. Díaz, R. Gómez, Improved photocatalytic oxidation of arsenic (III) with WO3/TiO2 nanomaterials synthesized by the sol-gel method, Journal of Environmental Management, 282 (2021) 111602.
V. Dutta, S. Sharma, P. Raizada, V.K. Thakur, A.A.P. Khan, V. Saini, P. Singh, An overview on WO3 based photocatalyst for environmental remediation, Journal of Environmental Chemical Engineering, 9 (2021) 105018.
A. Wang, A. Sienkiewicz, P.R. Konieczna, E.K. Nejman, A.W. Morawski, Influence of modification of titanium dioxide by silane coupling agents on the photocatalytic activity and stability, Journal of Environmental Chemical Engineering, 8 (2020) 103917.
X.Z. Li, F.B. Li, C.L. Yang, W.K. Ge, Photocatalytic activity of WOx-TiO2 under visible light irradiation, Journal of Photochemistry and Photobiology A: Chemistry, 141 (2001) 209-217.
M.N. Magaña, A.E. González, L.M. Ix, S.C. Díaz, R. Gómez, Improved photocatalytic oxidation of arsenic (III) with WO3/TiO2 nanomaterials synthesized by the sol-gel method, Journal of Environmental Management, 282 (2021) 111602.
V. Dutta, S. Sharma, P. Raizada, V.K. Thakur, A.A.P. Khan, V. Saini, P. Singh, An overview on WO3 based photocatalyst for environmental remediation, Journal of Environmental Chemical Engineering, 9 (2021) 105018.
A. Wang, A. Sienkiewicz, P.R. Konieczna, E.K. Nejman, A.W. Morawski, Influence of modification of titanium dioxide by silane coupling agents on the photocatalytic activity and stability, Journal of Environmental Chemical Engineering, 8 (2020) 103917.
X.Z. Li, F.B. Li, C.L. Yang, W.K. Ge, Photocatalytic activity of WOx-TiO2 under visible light irradiation, Journal of Photochemistry and Photobiology A: Chemistry, 141 (2001) 209-217.
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