{"paper_id":"35a38b9e-9079-4938-973e-39cfb73addbc","body_text":"A comprehensive study of the heterojunction effect of Sn on TiO₂ for UV irradiation via organic compounds and the effect of optical properties, pH, and catalyst loading on photodegradation efficiency. | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article A comprehensive study of the heterojunction effect of Sn on TiO₂ for UV irradiation via organic compounds and the effect of optical properties, pH, and catalyst loading on photodegradation efficiency. Wagih Sadik, Abdelghaffar Eldemerdash, Adel William Nashed, Amr Ahmed Mostafa, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6088607/v2 This work is licensed under a CC BY 4.0 License Status: Posted Version 2 posted You are reading this latest preprint version Show more versions Abstract Semiconductors have been used for the degradation of a variety of pollutants found in water. Treatment of industrial wastewater, including textile wastewater, using UV irradiation in combination with oxidants or catalysts (TiO₂). In this study, TiO₂-SnO₂ nanocomposites of different ratios will be prepared and characterized, and their use in the photocatalytic degradation of Acid Red 37 dye in aqueous solution under UV irradiation as a model pollutant will be examined. TiO₂-SnO₂ nanocomposites were characterized using XRD, TEM, EDAX, FTIR, Eg, and XPS using a batch photoreactor. The photocatalytic degradation was investigated utilizing several advanced oxidation processes with SnO₂ contents (0–15 wt %). Adding inorganic antioxidants (H₂O₂, Na₂S₂O₈, and NaIO₄) with a UV/TiO₂-SnO₂ ratio (90:10) for high efficiency. Then the effect of pH, dye concentrations, and different loadings (g/L) of nanocomposite on the photocatalytic activity of the SnO₂-TiO₂ (90:10) nanocomposite was studied. Physical sciences/Chemistry Earth and environmental sciences/Environmental sciences Physical sciences/Materials science Physical sciences/Nanoscience and technology Heterojunction Photocatalysis optical properties wastewater treatment UV Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 2 posted You are reading this latest preprint version Show more versions Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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via organic compounds and the effect of optical properties, pH, and catalyst loading on photodegradation efficiency.\",\"fulltext\":[],\"fulltextSource\":\"\",\"fullText\":\"\",\"funders\":[],\"hasAdminPriorityOnWorkflow\":false,\"hasManuscriptDocX\":false,\"hasOptedInToPreprint\":true,\"hasPassedJournalQc\":\"\",\"hasAnyPriority\":false,\"hideJournal\":true,\"highlight\":\"\",\"institution\":\"\",\"isAcceptedByJournal\":false,\"isAuthorSuppliedPdf\":true,\"isDeskRejected\":\"\",\"isHiddenFromSearch\":false,\"isInQc\":false,\"isInWorkflow\":false,\"isPdf\":true,\"isPdfUpToDate\":true,\"isWithdrawnOrRetracted\":false,\"journal\":{\"display\":true,\"email\":\"info@researchsquare.com\",\"identity\":\"researchsquare\",\"isNatureJournal\":false,\"hasQc\":true,\"allowDirectSubmit\":true,\"externalIdentity\":\"\",\"sideBox\":\"\",\"snPcode\":\"\",\"submissionUrl\":\"/submission\",\"title\":\"Research 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Treatment of industrial wastewater, including textile wastewater, using UV irradiation in combination with oxidants or catalysts (TiO₂). In this study, TiO₂-SnO₂ nanocomposites of different ratios will be prepared and characterized, and their use in the photocatalytic degradation of Acid Red 37 dye in aqueous solution under UV irradiation as a model pollutant will be examined. TiO₂-SnO₂ nanocomposites were characterized using XRD, TEM, EDAX, FTIR, Eg, and XPS using a batch photoreactor. The photocatalytic degradation was investigated utilizing several advanced oxidation processes with SnO₂ contents (0\\u0026ndash;15 wt %). Adding inorganic antioxidants (H₂O₂, Na₂S₂O₈, and NaIO₄) with a UV/TiO₂-SnO₂ ratio (90:10) for high efficiency. 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