2D laminated cylinder-like BiFeO3 composites: Hydrothermal preparation,formation mechanism,and photocatalytic properties |
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| Affiliation: | 1. Department of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Reaction Engineering, Yan''an University, Yan''an, Shaanxi, 716000, China;2. Department of Scientific Research and Development, Tsinghua University, Beijing, 100084, China;1. Institute of Functional Porous Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China;2. Institute of Physics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;3. Department of Mathematics, University of Gujrat, Gujrat 54700, Pakistan;4. Polymer Material Department, School of Chemical Engineering, Guangdong University of Petrochemical Technology, Maoming, China;1. State Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai 200072, China;2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Shanghai 200050, China;3. Edax BU, Ametek – Shanghai ACES, Shanghai 200131, China;1. Chemical Engineering Department, Abadan Faculty of Petroleum, Petroleum University of Technology, Iran;2. Gas Engineering Department, Ahvaz Faculty of Petroleum, Petroleum University of Technology, Iran |
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| Abstract: | BiFeO3 perovskite with 2D laminated cylinder-like structure was prepared via a facile one-pot hydrothermal method, whose morphologies and optical properties was characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersion spectrum (EDS), and UV-Visible diffuse reflectance spectroscopy (UV-Vis DRS). The photocatalytic properties of the as-prepared BiFeO3 composites were evaluated according to degrading Rhodamine B (RhB) and desulfurization under visible light irradiation, with excellent photocatalytic degradation and desulfurization activity found. Moreover, the mechanism study of active free radicals in photocatalytic activity indicates that the h+ radical in holes was mainly responsible for synergistic catalytic efficacy in photocatalytic degradation. |
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| Keywords: | Visible-light-responsive Hydrothermal preparation Formation mechanism Photocatalytic properties |
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