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Jayavelu Y, Maharana G, Rajender G, Muniramaiah R, Divyadharshini S, Baby BH, Kovendhan M, Fernandes JM, Joseph DP. Defect-mediated time-efficient photocatalytic degradation of methylene blue and ciprofloxacin using tungsten-incorporated ternary perovskite BaSnO 3 nanoparticles. CHEMOSPHERE 2024; 351:141128. [PMID: 38185424 DOI: 10.1016/j.chemosphere.2024.141128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/10/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Photocatalytic water purification has been extensively explored for its economic, eco-friendly, and sustainable aspects. In this study, tungsten (W) incorporated BaSn1-xWxO3 (x = 0 to 0.05) nanoparticles synthesized by facile hydrogen peroxide precipitation route has been demonstrated for photocatalytic degradation of methylene blue (MB) dye and ciprofloxacin (CIP) antibiotic. The structural analysis indicates the presence of hybrid composite-like nanostructures with reduced crystallinity. Optical studies reveal blueshift in bandgap and decrease in oxygen vacancy defects upon W-incorporation. Pure BaSnO3 shows overall enhanced photocatalytic activity towards MB (90.22%) and CIP (78.12%) after 240 min of white LED light and sunlight irradiation respectively. The 2 % W-incorporated BaSnO3 shows superior photocatalytic degradation of MB (26.89%) and CIP (45.14%) within first 30 min of irradiation confirming the presence of W to be beneficial in the process. The free radical study revealed the dominant role of reactive hole (h+) and oxygen radical (O2•-) species during photodegradation and their intermediates are investigated to elucidate the degradation mechanism of MB within 30 min of irradiation. This study is promising towards developing defect mediated and time-efficient photocatalysts for environmental remediation.
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Affiliation(s)
- Yuvashree Jayavelu
- Department of Physics, National Institute of Technology, Warangal, Telangana State, 506004, India
| | - Gouranga Maharana
- Department of Physics, National Institute of Technology, Warangal, Telangana State, 506004, India
| | - Gone Rajender
- Department of Physics, National Institute of Technology, Warangal, Telangana State, 506004, India
| | - Reddivari Muniramaiah
- Department of Physics, National Institute of Technology, Warangal, Telangana State, 506004, India; Department of Physics, Indian Institute of Technology, Kanpur, Uttar Pradesh State, 208016, India
| | - S Divyadharshini
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Tamilnadu, 603203, India
| | - Benjamin Hudson Baby
- Department of Physics, National Institute of Technology, Warangal, Telangana State, 506004, India
| | - M Kovendhan
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Tamilnadu, 603203, India
| | - Jean Maria Fernandes
- Department of Physics, National Institute of Technology Karnataka, Surathkal, 575025, India
| | - D Paul Joseph
- Department of Physics, National Institute of Technology, Warangal, Telangana State, 506004, India.
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Zhao YY, Zhou Y, Li R, Li B. Synthesis, Characterization and Efficient Detection of Antibiotics of Two CdII-Based Coordination Polymers. J CLUST SCI 2023. [DOI: 10.1007/s10876-023-02424-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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