Ultrasound-assisted synthesis of high-efficiency Ag3PO4/CeO2 heterojunction photocatalyst |
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| Affiliation: | 1. School of Materials Science and Chemical Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China;2. College of Science, Tianjin University of Science & Technology, Tianjin 300457, PR China;1. Institute of Petrochemical Technology, Changzhou University, Changzhou 213164, China;2. Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, China;3. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, PR China;1. College of Forestry, Northeast Forestry University, Harbin 150040, China;2. School of Materials Science and Engineering, State Key Lab of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China;1. College of Environmental Science Engineering, Key Laboratory of Environmental Biology Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China;2. School of Energy and Power Engineering, Changsha University of Science & Technology, Changsha 410076, China;1. State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, PR China;2. School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining 810008, PR China;3. School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, PR China;1. School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, PR China;2. Guangxi Universities Key Laboratory of Environmental Protection, Guangxi University, Nanning, 530004, PR China |
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| Abstract: | The Ag3PO4/CeO2 heterojunction photocatalyst prepared by an ultrasound-assisted method exhibits an enhanced photocatalytic activity compared to pure Ag3PO4, CeO2, and Ag3PO4/CeO2 obtained without ultrasound action. The samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and ultraviolet–visible absorption spectroscopy (UV–vis), and the effects of ultrasound on the physicochemical properties and photocatalytic activity of Ag3PO4/CeO2 are discussed. Results show that the ultrasound-assisted synthesis method significantly improves the photocatalytic ability. The mechanism about the improvement was discussed in details. |
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| Keywords: | Ultrasound-assisted synthesis Photocatalysis Methylene blue Visible light |
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