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Hydrothermal synthesis of S-doped TiO2 nanoparticles and their photocatalytic ability for degradation of methyl orange |
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| Authors: | Hua Tian Junfeng Ma Kang Li Jinjun Li |
| Affiliation: | 1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China;2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;3. State Key Lab. of Green Building Materials, China Building Materials Academy, Beijing 100024, China;4. Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266071, China |
| Abstract: | A simple synthesis route to nanocrystalline S-doped TiO2 photocatalysts by a hydrothermal method at 180 °C was developed and the photocatalytic activity of the obtained powders for the degradation of methyl orange was studied. The products were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The phase composition (anatase/rutile ratio) and the photocatalytic activity of the final materials were found to be markedly influenced by the amount of the incorporated sulphur. On increasing the S-dopant amount, the anatase/rutile ratio and the photocatalytic activity of the as-prepared powders increased. |
| Keywords: | Nanoparticles TiO2 S-doped Hydrothermal synthesis |
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