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- Title
Antibacterial and solar-driven photocatalytic activities of Co<sub>x</sub>Sn<sub>1−x</sub>O<sub>2−δ</sub> nanoparticles for wastewater treatment.
- Authors
Arif, Shafaq; Durr-e-Kashaf; Shahzadi, Kiran; Sabah, Aneeqa; Anwar, M. S.
- Abstract
Transition metal doped nanoparticles have potential for photodegradation, antibacterial activity, and water splitting. Co-doped SnO2 nanoparticles (CoxSn1−xO2−δ: x = 0–7%) with an average diameter of ≈ 32 nm are successfully synthesized using the coprecipitation method. The structural properties are investigated using an X-ray diffractometer (XRD) that shows tetragonal structure of the nanoparticles. Microstrain and average crystallite size of the nanoparticles are investigated using different XRD models. It is observed that 7% Co-doping reduces the optical bandgap down to 17% (3.04 eV). The nanoparticles show 75% photodegradation of methylene blue dye under sunlight exposure, and enhance antibacterial activity against both gram-positive and gram-negative bacteria. These results may provide pathways to utilize CoxSn1−xO2−δ nanoparticles as efficient photocatalysts, antibacterial agents for industrial wastewater treatment, and water-splitting applications as well.
- Subjects
WASTEWATER treatment; PHOTOCATALYSTS; METAL nanoparticles; NANOPARTICLES; NANOPARTICLE size
- Publication
Applied Physics A: Materials Science & Processing, 2024, Vol 130, Issue 3, p1
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-024-07370-5