| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Preparation of g-C3N4/MXene/Ag3PO4 Heterostructure and Catalytic Property |
| WANG Zongqian1,2, SHEN Jiakun1, LI Yu1, LI Changlong1,2, WANG Peng1,2,*
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1 School of Textile and Garment, Anhui Polytechnic University, Wuhu 241000, Anhui, China
2 Anhui Engineering and Technology Research Center of Textile, Wuhu 241000, Anhui, China |
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Abstract In order to improve the photocatalytic performance of g-C3N4, g-C3N4/MXene/Ag3PO4 heterojunction photocatalyst were prepared via a self-assembly procedure with the help of TEM, FTIR, XRD, XPS, and DRS. And then the effects of catalyst dosage, pH value and initial dye concentration on the catalytic performance, and catalytic mechanism were investigated by the experiment of photocatalytic oxidative degradation of Reactive Red 195 being carried out with g-C3N4/MXene/Ag3PO4 under visible light illumination. The results showed that the g-C3N4/MXene/Ag3PO4 catalyst with sheet structure could be successfully prepared. The catalytic activity of g-C3N4 significantly was improved due to heterojunction. The degradation rate of Reactive Red 195 increased from 74.92% to 93.64% in the treatment of 60 min reaction time. Reduced the initial dye concentration and increased the amount of catalyst could accelerate the oxidative degradation of Reactive Red 195. Additionally, under acidic and alkaline conditions, the catalytic oxidation performance of the catalyst was higher than that under neutral conditions. After 5 cycles of g-C3N4/MXene/Ag3PO4, the degradation rate of Reactive Red 195 remained high (80.11%), and the structure of the catalyst did not change before and after usage. This probably due to the azo bond and aromatic ring structure of Reactive Red 195 were destroyed, and ·O2- participated in the reaction as the main active substance, during the reaction.
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Published: 25 November 2023
Online: 2023-11-21
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| Fund:Key Research and Development Projects of Anhui Province (2022a05020069,2023t07020001), Educational Commission of Anhui Province of China (KJ2020A0354), the Open Project Program of Anhui Engineering and Technology Research Center of Textile (2021AETKL09), Anhui Pro-vince Postdoctoral Science Foundation Funded Project (2021A486), the Top Young and Middle-aged Innovative Talents of Hig-her Learning Institutions of Anhui (gxbjZD2020075), Academic and Technical Leadership Candidate Program of Anhui (2020H218), and the Foundation of Anhui Polytechnic University (Xjky2022079). |
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2023, Vol. 37 
