The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.
An efficient metal-free phosphorus and oxygen co-doped g-C3N4 photocatalyst with enhanced visible light photocatalytic activity for the degradation of fluoroquinolone antibiotics
Abstract
Abstract Non-metal doping has been frequently used in g-C3N4 (CN) as a feasible and economical technique for maintaining its metal-free properties, while improving its photocatalytic performance. In this study, a novel phosphorus and oxygen co-doped graphitic carbon nitride (POCN) was successfully synthesized through a one-step thermal polymerization method and exhibited remarkable photocatalytic activity for the photocatalytic degradation of fluoroquinolones (FQs). The degradation rate of enrofloxacin (ENFX) was 6.2 times higher than that of CN. Based on the results of X-ray photoelectron spectroscopy (XPS) and nuclear magnetic resonance spectroscopy (NMR), P atoms replaced the corner and bay carbon sites, whereas O atoms replaced the nitrogen sites in the g-C3N4 framework. The improvement of the photocatalytic effect of POCN0.01 was attributed to its narrow bandgap, effective charge separation and enhanced specific surface area. This is the first report to describe the use of phosphorus doping to promote the generation of reactive oxygen species (ROS). ROS scavenging tests revealed that O2 − was the primary active species during the degradation of ENFX. Furthermore, pathways for the degradation of ENFX were proposed via the detection of intermediate products via HRAM LC–MS/MS and the prediction of active sites using the Fukui function.
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Cites
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Photodegradation Performance of g-C3N4 Fabricated by Directly Heating Melamine
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g‐C3N4‐Based Heterostructured Photocatalysts
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Phosphorus-Doped Carbon Nitride Solid: Enhanced Electrical Conductivity and Photocurrent Generation
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Hierarchical Porous O‐Doped g‐C3N4 with Enhanced Photocatalytic CO2 Reduction Activity
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Cited by
Qin, Y., Li, H., Lu, J., Feng, Y., Meng, F., Ma, C., Yan, Y., & Meng, M. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.119254 · Cited by 518
Recent advances over the doped g-C3N4 in photocatalysis: A review
Khan, M. A., Mutahir, S., Shaheen, I., Qunhui, Y., Bououdina, M., & Humayun, M. (2025) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2024.216227 · Cited by 380
Li, X., Zhang, J., Huo, Y., Dai, K., Li, S., & Chen, S. (2021) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.119452 · Cited by 367
The nonmetal modulation of composition and morphology of g-C3N4-based photocatalysts
He, F., Wang, Z., Li, Y., Peng, S., & Liu, B. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.118828 · Cited by 346
Metadata
- Authors
- Huang, J., Li, D., Li, R., Zhang, Q., Chen, T., Liu, H., Liu, Y., Lv, W., & Liu, G.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2019-10
- Volume
- 374
- Pages
- 242-253
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2947739902
- Cited by
- 313
- References
- 62
- FWCI
- 8.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Huang, J., Li, D., Li, R., Zhang, Q., Chen, T., Liu, H., Liu, Y., Lv, W., & Liu, G. (2019). An efficient metal-free phosphorus and oxygen co-doped g-C3N4 photocatalyst with enhanced visible light photocatalytic activity for the degradation of fluoroquinolone antibiotics. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2019.05.175
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