Defect-mediated time-efficient photocatalytic degradation of methylene blue and ciprofloxacin using tungsten-incorporated ternary perovskite BaSnO3 nanoparticles

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dc.contributor.authorJayavelu, Y.
dc.contributor.authorMaharana, G.
dc.contributor.authorRajender, G.
dc.contributor.authorReddivari, R.
dc.contributor.authorDivyadharshini, S.
dc.contributor.authorBaby, B.H.
dc.contributor.authorKovendhan, M.
dc.contributor.authorFernandes, J.M.
dc.contributor.authorJoseph, D.P.
dc.date.accessioned2026-02-04T12:25:06Z
dc.date.issued2024
dc.description.abstractPhotocatalytic water purification has been extensively explored for its economic, eco-friendly, and sustainable aspects. In this study, tungsten (W) incorporated BaSn<inf>1-x</inf>W<inf>x</inf>O<inf>3</inf> (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 BaSnO<inf>3</inf> 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 BaSnO<inf>3</inf> 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 (O<inf>2</inf>•−) 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. © 2024 Elsevier Ltd
dc.identifier.citationChemosphere, 2024, 351, , pp. -
dc.identifier.issn456535
dc.identifier.urihttps://doi.org/10.1016/j.chemosphere.2024.141128
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/21257
dc.publisherElsevier Ltd
dc.subjectAntibiotics
dc.subjectBarium compounds
dc.subjectCrystallinity
dc.subjectFree radicals
dc.subjectIrradiation
dc.subjectNanoparticles
dc.subjectOxygen
dc.subjectPerovskite
dc.subjectPhotocatalytic activity
dc.subjectPhotodegradation
dc.subjectPrecipitation (chemical)
dc.subjectSynthesis (chemical)
dc.subjectTin compounds
dc.subjectTungsten
dc.subjectCiprofloxacin
dc.subjectEco-friendly
dc.subjectMethylene Blue
dc.subjectMethylene blue dye
dc.subjectPhoto-catalytic
dc.subjectPhotocatalytic degradation
dc.subjectSynthesised
dc.subjectTernary perovskite
dc.subjectTime-efficient
dc.subjectWater purification
dc.subjectDefects
dc.subjectbarium ion
dc.subjectciprofloxacin
dc.subjecthydrogen peroxide
dc.subjectlanthanum
dc.subjectmethylene blue
dc.subjectnanomaterial
dc.subjectnanoparticle
dc.subjectnitrogen
dc.subjectoxygen
dc.subjectoxygen radical
dc.subjectperovskite
dc.subjectsuperoxide
dc.subjecttin
dc.subjecttungsten
dc.subjectcalcium derivative
dc.subjectoxide
dc.subjecttitanium
dc.subjectdye
dc.subjectfree radical
dc.subjectphotodegradation
dc.subjectstructural analysis
dc.subjectArticle
dc.subjectcontrolled study
dc.subjectdegradation
dc.subjectdispersity
dc.subjectecosystem restoration
dc.subjectelectrophoretic mobility
dc.subjecthydrodynamics
dc.subjectirradiation
dc.subjectlight
dc.subjectluminescence
dc.subjectoxidation
dc.subjectparticle size
dc.subjectphotocatalysis
dc.subjectphotoluminescence
dc.subjectphoton correlation spectroscopy
dc.subjectprecipitation
dc.subjectscanning electron microscopy
dc.subjectsurface property
dc.subjectX ray photoemission spectroscopy
dc.subjectzeta potential
dc.subjectCalcium Compounds
dc.subjectOxides
dc.subjectTitanium
dc.titleDefect-mediated time-efficient photocatalytic degradation of methylene blue and ciprofloxacin using tungsten-incorporated ternary perovskite BaSnO3 nanoparticles

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