Construction of SnO2/g-C3N4 an effective nanocomposite for photocatalytic degradation of amoxicillin and pharmaceutical effluent
- Authors
- Nivetha, M.R.S.; Kumar, J.V.; Ajarem, J.S.; Allam, A.A.; Manikandan, V.; Arulmozhi, R.; Abirami, N.
- Issue Date
- Jun-2022
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- Amoxicillin; Green synthesis; Pharmaceutical effluent; Photocatalytic activity.; SnO2/g-C3N4 nanocomposite
- Citation
- Environmental Research, v.209
- Journal Title
- Environmental Research
- Volume
- 209
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/83524
- DOI
- 10.1016/j.envres.2022.112809
- ISSN
- 0013-9351
- Abstract
- The current study mainly focused on the fabrication of 2D graphitic carbon nitride-supported tin oxide nanoparticles (SnO2/g-C3N4) for the effective degradation of Amoxicillin (AMX). Tin oxide (SnO2) NPs were prepared by green and easy modification technique, and then it is decorated over g-C3N4 nanosheets. The structural morphology and surface composition of the synthesized SnO2/g-C3N4 nanocomposite were fully analysed by UV–Vis, XRD, XPS, and HR-SEM with EDAX, FT-IR, and BET analysis. The (HR-TEM) microscopy, the size of SnO2 NPs which as a diameter is about 6.2 nm. The Raman analysis revealed that the SnO2/g-C3N4 composite had a moderate graphitic structure, with a measured ID/Ig value of 0.79. The degradation efficiency of antibiotic pollutant AMX and pharma effluent treatment was monitored by UV spectroscopy. The optical band gap of SnO2 (2.9 eV) and g-C3N4 (2.8 eV) photocatalyst was measured by Tauc plots. To investigate the mechanism through the photodegradation efficiency of the catalyst was analysed by using different Scavenger EDTA-2Na holes (h+) has a greater contribution towards the degradation process. Under visible irradiation, SnO2/g-C3N4 nanocomposite has exhibited an excellent degradation performance of 92.1% against AMX and 90.8% for pharmaceutical effluent in 80 min. © 2022
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