Study on fabrication and photocatalytic performance of Ag2C2O4/TiO2 heterojunctions

Ren Wang; Li Minjiao; Zhang Ying; Zhang Shulin

doi:10.7513/j.issn.1004-7638.2022.03.009

Volume 43 Issue 3

Jun. 2022

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Ren Wang, Li Minjiao, Zhang Ying, Zhang Shulin. Study on fabrication and photocatalytic performance of Ag2C2O4/TiO2 heterojunctions[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 53-58. doi: 10.7513/j.issn.1004-7638.2022.03.009

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Ren Wang, Li Minjiao, Zhang Ying, Zhang Shulin. Study on fabrication and photocatalytic performance of Ag₂C₂O₄/TiO₂ heterojunctions[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(3): 53-58. doi: 10.7513/j.issn.1004-7638.2022.03.009

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Study on fabrication and photocatalytic performance of Ag₂C₂O₄/TiO₂ heterojunctions

doi: 10.7513/j.issn.1004-7638.2022.03.009

1.
College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, Sichuan, China
2.
College of Chemical Engineering, Sichuan University of Science and Engineering, Zigong 643000, Sichuan, China

Received Date: 2022-03-16
Publish Date: 2022-06-30

Abstract

Abstract

In this study, A-TiO₂ was prepared by a Sol-Gel method, and then Ag₂C₂O₄ was deposited on the surface of TiO₂ to construct Ag₂C₂O₄/TiO₂ heterojunctions by a precipitation method. The textural properties, crystal structures and light response capacity were studied by Brunauer-Emmett-Teller (BET) method and X-ray diffraction (XRD) . Surface photovoltage spectroscopy (SPS) was employed to study the separation of photoinduced carriers. Using Rhodamine B (RhB) as model pollutant, the photocatalytic activities of Ag₂C₂O₄/TiO₂ heterojunctions were investigated under Xe lamp (simulated sunlight) irradiation. The results show that when the molar ratio of Ag₂C₂O₄/TiO₂ is 7.0%, the sample displays the highest separation of photoinduced carriers, thus the photocatalyst exhibits the highest destruction capacity toward degradation of RhB.
- TiO₂,
- Ag₂C₂O₄,
- heterojunctions,
- photocatalytic performance

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References(20)

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