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- Title
In Situ Coupling Carbon Defective C 3 N 5 Nanosheet with Ag 2 CO 3 for Effective Degradation of Methylene Blue and Tetracycline Hydrochloride.
- Authors
Li, Guoyu; Zeng, Genying; Chen, Zhangkai; Hong, Jiaming; Ji, Xiaodong; Lan, Zhiqiang; Tan, Xiaofei; Li, Meifang; Hu, Xinjiang; Tang, Chunfang
- Abstract
The development of novel catalysts for degrading organic contaminants in water is a current hot topic in photocatalysis research for environmental protection. In this study, C3N5 nanosheet/Ag2CO3 nanocomposites (CNAC-X) were used as efficient photocatalysts for the visible-light-driven degradation of methylene blue (MB), and tetracycline hydrochloride (TC-HCl) was synthesized for the first time using a simple thermal oxidative exfoliation and in situ deposition method. Due to the synergistic effect of nanosheet structures, carbon defects, and Z-scheme heterojunctions, CNAC-10 exhibited the highest photocatalytic activity, with photodegradation efficiencies of 96.5% and 97.6% for MB (60 mg/L) and TC-HCl (50 mg/L) within 90 and 100 min, respectively. The radical trapping experiments showed that ·O2− and h+ played major roles in the photocatalytic effect of the CNAC-10 system. Furthermore, intermediates in the photodegradation of MB and TC-HCl were investigated to determine possible mineralization pathways. The results indicated that C3N5 nanosheet/Ag2CO3 photocatalysts prepared in this work could provide an effective reference for the treatment of organic wastewater.
- Subjects
METHYLENE blue; TETRACYCLINE; ORGANIC water pollutants; TETRACYCLINES; CARBON dioxide; PHOTOCATALYSTS; WATER currents
- Publication
Nanomaterials (2079-4991), 2022, Vol 12, Issue 15, p2701
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano12152701