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Synthesis and photocatalytic properties of vertically aligned Bi2S3 platelets
Affiliation:1. Department of Mathematics and Physics, Luoyang Institute of Science and Technology, Luoyang 471023, PR China;2. Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, PR China;1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, No. 8, Xindu Road, Chengdu 610500, China;2. The Center of New Energy Materials and Technology, School of Materials Science and Engineering, Southwest Petroleum University, No. 8, Xindu Road, Chengdu 610500, China;1. Promising Centre for Sensors and Electronic Devices (PCSED) and Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia;2. Department of Chemistry, Faculty of Sciences and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia;3. Department of Physics, Faculty of Sciences and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia;4. Chemistry Department, Science and Art at Sharurah, Najran University, Sharurah, Saudi Arabia;5. Advanced Materials Department, Central Metallurgical R& D Institute, CMRDI, P.O. Box 87, Helwan, 11421 Cairo, Egypt;6. Laboratoire des Matériaux Ferroélectriques, Faculté des Sciences de Sfax, Route Soukra Km 3,5, B.P.802, F-3018 Sfax, Tunisia;1. The Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China;2. The Key Laboratory of the Chinese Ministry of Education in Resource Chemistry, Shanghai Normal University, Shanghai 200234, PR China;1. High Level Laboratory of Jiangxi Province for Persistent Pollutants Control, Recycle and Reuse, Nanchang Hangkong University, Nanchang 310063, PR China;2. State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University,Changsha 410082, PR China;3. Department of Chemistry and Chemical Engineering, Key Laboratory of Environmental Biology and Pollution Control, Hunan University, Changsha 410082, PR China;1. Centro de Investigaciones en Óptica, A.P 1-948, León, Gto. 37150, Mexico;2. Universidad Autónoma de Nuevo León, FIME UANL A.P. 126-F, Monterrey, NL 66450, Mexico
Abstract:
Vertically aligned Bi2S3 platelets have been synthesized on FTO substrate via a simple hydrothermal process. X-ray diffraction analysis confirms the orthorhombic structure of the platelets. The results of scanning electron microscopy show that the Bi2S3 platelets interconnect with each other. The length of platelets is about 5 μm and the thickness ranges from 50 to 150 nm. The photocatalytic activity studies reveal that the synthesized Bi2S3 platelets exhibit excellent photocatalytic performance in rapidly degrading aqueous methylene blue dye solution under UV irradiation. A degradation ratio of 56% was obtained for the Bi2S3 platelets at 120 min and about 99% at 240 min. These results suggest that Bi2S3 platelets will be an interesting candidate for photocatalytic detoxification under UV light.
Keywords:Platelet  FTO  Photocatalytic
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