Abstract
The electronic structure has a profound effect on the performance of photocatalyst. In this study, the electronic structure of Bi2WO6 is calculated with density functional theory (DFT). The CoWO4@Bi2WO6 Z-scheme heterojunction was prepared by one-step hydrothermal method. XRD, XPS, SEM, and TEM were used to demonstrate the successful preparation of the composites. Ciprofloxacin was used to test the performance of the catalysts. The results showed that the 1:5 CBWO has the best degradation performance, which was 5 and 9 times than that of BWO and CWO within 120 min, respectively. The intervention of DFT theory provides a reference for the selection of loading material and one-step hydrothermal method can save energy and produce high yield of materials. Therefore, this study has a good guiding significance for the modification of Bi2WO6 and other photocatalytic materials in the future.
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The materials used and analyzed during the current study are available from the corresponding author on reasonable request.
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Funding
This work was supported by the National Natural Science Foundation of China (Grant No. 22072038), the Natural Science Foundation of Hubei Province Education Committee, China (Grant No. D20213102), and Graduate Student Innovation Research Foundation of Hubei Normal University (Grant No. 2022057).
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by PC, XZ, XL, and YY. The first draft of the manuscript was written by Piao Chen and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Chen, P., Zhang, X., Li, X. et al. Synthesis of CoWO4/Bi2WO6 Z-type heterostructure with efficient photocatalytic performance. J Mater Sci: Mater Electron 34, 1296 (2023). https://doi.org/10.1007/s10854-023-10710-5
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DOI: https://doi.org/10.1007/s10854-023-10710-5