The DOI matches its Crossref record; 65 of the 65 references it cites were found in a registry or an index.
Sulfur doped carbon quantum dots loaded hollow tubular g-C3N4 as novel photocatalyst for destruction of Escherichia coli and tetracycline degradation under visible light
Abstract
Abstract Microbial contamination and antibiotic pollutions diffusely exist in wastewater system, and contaminated water poses a threat to public health. Therefore, there is a need to effectively remove biohazard and antibiotic contamination from wastewater systems. In this paper, sulfur doped carbon quantum dots (S-CQDs)/hollow tubular g-C3N4 photocatalyst (HTCN-C), prepared via ultrasonic assisted synthesis strategy, was regarded as an efficient catalyst for the degradation of antibiotic (tetracycline) and destruction of a typical Gram-negative bacterium (Escherichia coli) in imitated wastewater system. The unique structures of hollow tubular g-C3N4 and loading of modified carbon quantum dots enhanced electron transfer and charge separation, leading to a significant improvement in photocatalytic efficiency. Benefiting from these merits, the optimized catalysts (HTCN-C(2)) exhibited superior performance with a reaction rate of 0.0293 min−1 for tetracycline (TC) degradation and 99.99% destruction of Escherichia coli under visible-light irradiation. Moreover, the characterization of UV–Vis diffuse reflectance spectra, photoluminescence technique, transient photocurrent responses and electrochemical impedance spectroscopy also verified the good optical and electrochemical properties of resultant samples. Our current work indicates that HTCN-C has great potential in degradation of antibiotic and destruction of bacterium for practical wastewater treatment.
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Cites
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Use of iron oxide nanomaterials in wastewater treatment: A review
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Self-citationPreparation of highly photoluminescent sulfur-doped carbon dots for Fe(iii) detection
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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
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Self-citationLi, S., Wang, C., Cai, M., Yang, F., Liu, Y., Chen, J., Zhang, P., Li, X., & Chen, X. (2022) · Chemical Engineering Journal · doi:10.1016/j.cej.2021.131158 · Cited by 470
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Self-citationWang, W., Niu, Q., Zeng, G., Zhang, C., Huang, D., Shao, B., Zhou, C., Yang, Y., Liu, Y., Guo, H., et al. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.119051 · Cited by 409
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Metadata
- Authors
- Wang, W., Zeng, Z., Zeng, G., Zhang, C., Xiao, R., Zhou, C., Xiong, W., Yang, Y., Lei, L., Liu, Y., Huang, D., Cheng, M., Yang, Y., Fu, Y., Luo, H., & Zhou, Y.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2019-12
- Volume
- 378
- Pages
- 122132
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2953431823
- Cited by
- 432
- References
- 65
- FWCI
- 14.38
- Type
- journal article
- Language
- en
- Open access
- closed
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