Citation: Dan SHI, Zhang‐Lü HUANG, Su‐Ding YAN, Juan WANG, Guo‐Hong WANG. Preparation of Bi₃TaO₇/MXene Nanosheets Heterojunction for Photocatalytic Degradation of Sodium Sulfadiazine[J]. Chinese Journal of Inorganic Chemistry, ;2022, 38(8): 1487-1498. doi: 10.11862/CJIC.2022.166 shu

Preparation of Bi₃TaO₇/MXene Nanosheets Heterojunction for Photocatalytic Degradation of Sodium Sulfadiazine

Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, School of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, Hubei 435002, China

Corresponding author: Su‐Ding YAN, yansd@hbnu.edu.cn Guo‐Hong WANG, wanggh2003@163.com
Received Date: 2 January 2022
Revised Date: 21 June 2022

Figures(8)

In this work, the Bi₃TaO₇/Ti₃C₂ composite photocatalysts were in-situ deposited on the surface of 2D Ti₃C₂ by electrostatic adsorption and solvothermal treatment using bismuth nitrate pentahydrate and tantalum pentachloride as the Bi and Ta sources, respectively. The effects of 2D Ti₃C₂ nanosheets on the microstructure of Bi₃TaO₇/ Ti₃C₂ were investigated by various physicochemical characterizations. The photocatalytic properties of as‐prepared samples were evaluated by visible light degradation of sodium sulfadiazine (SD‐Na) aqueous solution. The experimental results showed that the photocatalytic performance of the Bi₃TaO₇/Ti₃C₂ composites was significantly enhanced. Under the optimal conditions (the mass ratio of Ti₃C₂ to Bi₃TaO₇ was 0.02), the obtained BT2 sample exhibited the highest photocatalytic activity for degrading the SD‐Na aqueous solution and the apparent rate constant k value was 2.8 times higher than that of the pure Bi₃TaO₇ sample. The significant improvement of the Bi₃TaO₇/ Ti₃C₂ composite is attributed to the formation of heterojunction structure on the interface between Ti₃C₂ and Bi₃TaO₇, resulting in the rapid transfer and separation of photogenerated carriers.
- MXene nanosheets,
- Bi₃TaO₇,
- photocatalysis,
- sodium sulfadiazine
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Preparation of Bi₃TaO₇/MXene Nanosheets Heterojunction for Photocatalytic Degradation of Sodium Sulfadiazine