Preparation of exposed (001) facets TiO2/Ti3C2 MXene and performance of near infrared light photodegradation |
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| Affiliation: | 1. Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, School of Material Science and Engineering, Shaanxi University of Science & Technology, Xi''an, 710021, China;2. School of Electronic Information and Artificial Intelligence, Shaanxi University of Science & Technology, Xi''an, 710021, China;3. School of Arts and Science, Shaanxi University of Science & Technology, Xi''an, 710021, China;4. China Academy of Space Technology, Xi''an, 710100, China |
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| Abstract: | The (001)TiO2/Ti3C2 MXene heterojunction photocatalyst was prepared with the hydrothermal oxidation method by using the two-dimensional Ti3C2 MXene as the substrate. The formation of TiO2 surface heterojunctions, Schottky junctions at the interface between (001) facets TiO2 and Ti3C2 MXene, and the local surface plasmon resonance effect of plasma Ti3C2 MXene combine together to promote the effective separation of electrons and holes after photoexcitation. After 150 min of near infrared light irradiation and sunlight irradiation, the degradation rates of tetracycline by (001)TiO2/Ti3C2 MXene photocatalyst are 28.63% and 52.74%, respectively, with near infrared light and full spectrum degradation characteristics. Our work is expected to provide a valuable reference for the design of MXene based full spectrum photocatalysts. |
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| Keywords: | Local surface plasmon resonance Near infrared light degradation Tetracycline |
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