Preparation of g-C<sub>3</sub>N<sub>4</sub>/FeOCl composite and its photo-Fenton degradation property for RhB under simulate visible light

MA Jinhuan; WEI Zhiqiang; DING Meijie; ZHAO Jiwei

doi:10.13801/j.cnki.fhclxb.20221226.002

Volume 40 Issue 10

Oct. 2023

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MA Jinhuan, WEI Zhiqiang, DING Meijie, et al. Preparation of g-C3N4/FeOCl composite and its photo-Fenton degradation property for RhB under simulate visible light[J]. Acta Materiae Compositae Sinica, 2023, 40(10): 5820-5829. doi: 10.13801/j.cnki.fhclxb.20221226.002

Citation:

MA Jinhuan, WEI Zhiqiang, DING Meijie, et al. Preparation of g-C₃N₄/FeOCl composite and its photo-Fenton degradation property for RhB under simulate visible light[J]. Acta Materiae Compositae Sinica, 2023, 40(10): 5820-5829. doi: 10.13801/j.cnki.fhclxb.20221226.002

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Preparation of g-C₃N₄/FeOCl composite and its photo-Fenton degradation property for RhB under simulate visible light

doi: 10.13801/j.cnki.fhclxb.20221226.002

State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Science, Lanzhou University of Technology, Lanzhou 730050, China

Funds: National Natural Science Foundation of China (52268042); Natural Science Foundation of Gansu Province (22JR5RA253); HongLiu First-Class Disciplines Development Program of Lanzhou University of Technology

Received Date: 2022-10-24
Accepted Date: 2022-12-10
Rev Recd Date: 2022-12-08

Available Online: 2022-12-26

Publish Date: 2023-10-15

Abstract

Abstract

In order to study the photo-Fenton properties of FeOCl combined with carbon materials, g-C₃N₄/FeOCl nanocomposites were prepared by a simple calcination method according to the different composite mass ratios of g-C₃N₄ and FeCl₃·6H₂O. Composition, structure, and optical properties of the composite samples tested by XRD, SEM, TEM, XPS, UV-vis DRS, EIS, and transient photocurrent testing. The results show that the g-C₃N₄/FeOCl composite has a layered nanorod stacking structure with the good light response and carrier separation capability. When the composite ratio of g-C₃N₄ to FeCl₃·6H₂O is 1∶20, it exhibits excellent photo-Fenton performance, and the degradation rate of rhodamine B (RhB) reaches 92.4%. And after three cycles, the efficiency of the composite material in degrading RhB remains at 80.1% that showing good stability. Based on the experimental results, the Z-type heterojunction between g-C₃N₄ and FeOCl was proposed to improve the separation efficiency of photogenerated carriers, and the possible mechanism of photo-Fenton degradation of RhB by Z-type heterojunction was discussed.
- g-C₃N₄,
- FeOCl,
- photo-Fenton activity,
- Z-type heterojunction,
- photoelectrochemical properties
Long Abstrsct
Innovation Points

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References(40)

References

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