Journal
APPLIED SURFACE SCIENCE
Volume 577, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2021.151809
Keywords
Bi 2 WO 6; g-C 3 N 5 heterostructure; Visible light-triggered photocatalytic degrada; tion; Tetracycline; 2-mercaptobenzothiazole; Chlorpyrifos
Categories
Funding
- VIT
- SERB-NPDF, India [PDF/2019/000832]
- DST [SB/EMEQ-383/2014]
- VIT SEED GRANT, DST INSPIRE funding (DST/INSPIRE Faculty Award/2018) [DST/INSPIRE/04/2018/002484]
- SERB [SRG/2020/000645]
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Colorless endocrine disruptors (EDs) are chemicals that interfere with the hormonal system and their widespread use can lead to health issues. By fabricating a composite of metal-free graphitic carbon nitride (g-C3N5) with Bi2WO6, efficient degradation of colorless EDs can be achieved under visible light, showing remarkable photocatalytic activity.
Colorless endocrine disruptors (EDs) are generally known as interference chemicals with the hormonal system. Widespread usage of such pollutants in daily life leads to the hike in the level of EDs in water resources as well as drinking water resulting in various health issues upon ingestion unknowingly. Thus, it is a challenging issue to efficiently degrade colorless EDs under visible light in spite the report of several photocatalysts. Herein, we fabricated a composite comprising metal-free graphitic carbon nitride (g-C3N5) with Bi2WO6 that exhibits visible light-induced efficient degradation of colorless EDs. A simple hydrothermal polymerization method was adopted to prepare nanosheets of g-C3N5 loaded with Bi2WO6 nanoplates and the resulting heterostructure efficiently degrade tetracycline, 2-mercaptobenzothiazole, and chlorpyrifos under cheap visible light irradiation in a short period of time. The synergistic effect of g-C3N5 and Bi2WO6 components in the composite leads to efficient separation of photogenerated charge carriers via Z-scheme pathway and resulting in remarkable photocatalytic activity compared to individuals.
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