Novel visible light-induced g-C3N4–Sb2S3/Sb4O5Cl2 composite photocatalysts for efficient degradation of methyl orange |
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| Affiliation: | 1. College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China;2. Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China;3. Collaborative Innovation Center of Resource–Conserving & Environment-friendly Society and Ecological Civilization, Changsha 410083, PR China;4. College of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China;1. College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, P.R. China;2. School of Chemistry and Materials Science, Ludong University, Yantai 264025, P.R. China;3. Aladdin Chemical Reagent Co., Ltd., Shanghai 201206, P.R. China;1. Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, 1 Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan;2. School of Chemistry and Chemical Engineering, Beijing Institute of Technology, 100081 Beijing, China |
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| Abstract: | A series of g-C3N4–Sb2S3/Sb4O5Cl2 (SCL-CX) composite photocatalysts were successfully prepared via a hydrothermal method. The as-prepared materials were characterized by TM3000, powder X-ray diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS) and UV–vis diffuse reflectance spectra (UV–vis DRS). The obtained photocatalyst showed higher photocatalytic activity than pure g-C3N4, Sb4O5Cl2 and Sb2S3/Sb4O5Cl2 (SCL). The optimum photocatalytic of the composite with the mass of 170 mg g-C3N4 and a degradation efficiency up to 95% for methyl orange (MO) under visible light was achieved within 60 min. The enhanced photocatalytic performance could be attributed to the stronger absorption in the visible region and the more efficient electron–hole separation. |
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