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Fabrication of novel CuFe2O4/MXene hierarchical heterostructures for enhanced photocatalytic degradation of sulfonamides under visible light
Abstract
The overuse of sulfonamides, causing serious pollution of water bodies, has drawn great attention from society. To address these problems, a novel CuFe2O4/MXene (CFO/Ti3C2) heterojunction photocatalyst was used to photodegrade the antibiotic sulfamethazine (SMZ, a typical pollutant) under visible light, and the synergy and coupling function of the two components in the heterojunction system were analyzed. With the aid of time-resolved photoluminescence (TRPL) and transient surface photovoltage (TPV) spectra, the carrier lifetimes and kinetic behaviors were studied, revealing that the lifetime of photoinduced carriers was prolonged by loading Ti3C2, inhibiting the reorganization of photogenerated electron holes. More importantly, the organic intermediates and mineralization degree were identified by high-performance liquid chromatography (HPLC)-mass spectrometry (MS) and total organic carbon (TOC) techniques. The results show that the breaking of SN bonds, the oxidation of aniline and deamination were dominated by the attack of •OH. This work shows a new model for the degradation mechanism of SMZ over CFO/MXene heterostructures.
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Citations
Cites
2D MXenes: A New Family of Promising Catalysts for the Hydrogen Evolution Reaction
Gao, G., O’Mullane, A. P., & Du, A. (2017) · ACS Catalysis · doi:10.1021/acscatal.6b02754 · Cited by 1,153
Cited by
A Review on MXene Synthesis, Stability, and Photocatalytic Applications
Murali, G., Reddy Modigunta, J. K., Park, Y. H., Lee, J.-H., Rawal, J., Lee, S.-Y., In, I., & Park, S.-J. (2022) · ACS Nano · doi:10.1021/acsnano.2c04750 · Cited by 668
Two-dimensional MXene-based and MXene-derived photocatalysts: Recent developments and perspectives
Zhong, Q., Li, Y., & Zhang, G. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.128099 · Cited by 466
MXenes as emerging nanomaterials in water purification and environmental remediation
Yu, S., Tang, H., Zhang, D., Wang, S., Qiu, M., Song, G., Fu, D., Hu, B., & Wang, X. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2021.152280 · Cited by 445
Metadata
- Authors
- Cao, Y., Fang, Y., Lei, X., Tan, B., Hu, X., Liu, B., & Chen, Q.
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2020-04
- Volume
- 387
- Pages
- 122021
- ISSN
- 0304-3894 (ISSN-L)
- OpenAlex
- W2997270761
- Cited by
- 206
- References
- 1
- FWCI
- 6.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cao, Y., Fang, Y., Lei, X., Tan, B., Hu, X., Liu, B., & Chen, Q. (2020). Fabrication of novel CuFe2O4/MXene hierarchical heterostructures for enhanced photocatalytic degradation of sulfonamides under visible light. Journal of Hazardous Materials. https://doi.org/10.1016/j.jhazmat.2020.122021
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
