Enhanced visible-light-driven photocatalytic activity of B-doped BiVO4 synthesized using a corn stem template |
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| Affiliation: | 1. College of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110165, China;2. Shenyang Military General Hospital, Shenyang 110016, China;1. Key Laboratory of Western China''s Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, PR China;2. School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, PR China;1. State Key Laboratory of Fine Chemicals, Key Laboratory of Industrial Ecology and Environmental Engineering MOE, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China;2. School of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin Campus, Panjin 124221, China;3. Department of Chemical Engineering, Curtin University of Technology, Perth, WA 6845, Australia;1. Harbin Institute of Technology Shenzhen Graduate School, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Shenzhen 518055, PR China;2. Public Platform for Technological Service in Urban Waste Reuse and Energy Regeneration, Shenzhen 518055, PR China;1. School of Materials Science and Engineering, Sichuan University of Science & Engineering, Zigong, 643000, PR China;2. Analytical and Testing Center, Sichuan University of Science & Engineering, Zigong, 643000, PR China;3. College of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong, 643000, PR China;4. Advanced Metal Materials Research Laboratory, Guangdong Zhaoqing Institute of Quality Inspection & Metrology, Zhaoqing, 526000, PR China |
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| Abstract: | Through a combination of template and sol-gel methods, B-doped Corn stem-BiVO4 (CS-BiVO4) photocatalysts were prepared using CS as a template. The synthesized materials were characterized by XPS, XRD, SEM, BET, and UV–vis DRS. The photocatalytic performances of the BiVO4 samples were evaluated during the degradation of methyl orange under visible light irradiation. Compared to the undoped CS-BiVO4 sample, the B-doped CS-BiVO4 samples retained their monoclinic structure while exhibiting higher surface areas, greater V4+ densities and lower band gap energies. Among the prepared samples, 0.04B CS-BiVO4 exhibited the best photocatalytic performance during the photodegradation of MO. The apparent difference in photocatalytic activity between 0.04B CS-BiVO4 and 0.04B-BiVO4 may be attributed to the cellular morphology from the CS and the higher specific surface areas. |
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| Keywords: | B-doped Corn stem(CS) Template Sol–gel Methyl orange solution |
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