One-dimensional spindle-like BiVO4/TiO2 nanofibers heterojunction nanocomposites with enhanced visible light photocatalytic activity |
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| Affiliation: | 1. College of Science, Hebei University of Engineering, Handan 056038, China;2. College of Equipment Manufacturing, Hebei University of Engineering, Handan 056038, China;1. Department of Chemical and Environmental Engineering, University of California, Riverside, CA 92521, USA;2. Department of Fusion Chemical Engineering, Hanyang University, Ansan, Kyeonggi-do 426-791, South Korea;3. Department of Civil and Environmental Engineering, University of Iowa, Iowa City, IA 52242, USA;1. MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, PR China;2. School of Municipal and Environmental Engineering, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China;1. School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi''an 710021, China;2. Centre for Future Materials, University of Southern Queensland, Springfield, QLD 4300, Australia;3. School of Mechanical and Mining Engineering, the University of Queensland, Brisbane, QLD 4072, Australia;1. State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150001, PR China;2. Key Laboratory of Functional Inorganic Materials Chemistry, Heilongjiang University, Ministry of Education, School of Chemistry and Materials Science, Harbin 150080, PR China;1. Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology, Jinan 250353, PR China;2. Lunan Research Institute of Coal Chemistry, Jining 272000, PR China |
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| Abstract: | One-dimensional spindle-like BiVO4/TiO2 nanofibers heterojunction nanocomposites with high visible light photocatalytic activity have been successfully obtained by combining the electrospinning technique and solvothermal method. The as-obtained products were characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV–vis spectra and photoluminescence (PL) spectra. The results revealed that spindle-like BiVO4 nanostructures were successfully grown on TiO2 nanofibers. Photocatalytic tests showed that the BiVO4/TiO2 nanofibers heterojunction nanocomposites showed enhanced visible light photocatalytic activity than that of pure TiO2 nanofibers, which might be attributed to the effective photogenerated electrons-holes separation based on the photosynergistic effect of the BiVO4/TiO2 heterojunction. Moreover, the BiVO4/TiO2 nanofibers heterojunction nanocomposites could be easily recycled without any decrease of the photocatalytic activity. |
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| Keywords: | Heterojunction Nanofibers Photocatalysis |
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