Effect of Temperature on the Structural and Optical Properties of Pure Anatase TiO₂ Nanoparticles Synthesized using Glycerol for the Enhancement of Photocatalytic Degradation of Congo Red Dye

Effect of Temperature on the Structural and Optical Properties of Pure Anatase TiO₂ Nanoparticles Synthesized using Glycerol for the Enhancement of Photocatalytic Degradation of Congo Red Dye | 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 Research Article Effect of Temperature on the Structural and Optical Properties of Pure Anatase TiO₂ Nanoparticles Synthesized using Glycerol for the Enhancement of Photocatalytic Degradation of Congo Red Dye Anu Tharu, Jaya M Soney, Dhannia T This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6741711/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 02 Mar, 2026 Read the published version in Journal of Nanoparticle Research → Version 1 posted 13 You are reading this latest preprint version Abstract This study examines the degradation of congo red (CR) dye enhanced by TiO 2 nanoparticles (NPs), synthesized by glycerine-assisted co-precipitation with microwave irradiation method, as a photocatalyst. XRD and Raman analysis confirm the anatase phase, TEM study shows the polycrystalline nature and EDAX analysis reveals the presence of titanium and oxygen in the sample. Optical absorption edge of the as-prepared TiO 2 NPs redshifts with an increase in the annealing temperature, indicates a decrease in the band gap energies. The study evaluates the effect of photocatalyst dosage, pH of the dye solution, and irradiation time under UV light on the degradation of CR dye. Photocatalytic result shows the percentage of dye degradation increases in the presence of the as-prepared TiO 2 NPs (catalyst) and UV irradiation. XRD TEM XPS UV-Visible spectra Congo red Degradation efficiency Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 02 Mar, 2026 Read the published version in Journal of Nanoparticle Research → Version 1 posted Editorial decision: Revision requested 16 Sep, 2025 Reviews received at journal 16 Sep, 2025 Reviewers agreed at journal 14 Sep, 2025 Reviewers agreed at journal 14 Sep, 2025 Reviewers agreed at journal 24 Jul, 2025 Reviews received at journal 09 Jun, 2025 Reviewers agreed at journal 04 Jun, 2025 Reviewers agreed at journal 03 Jun, 2025 Reviewers agreed at journal 03 Jun, 2025 Reviewers invited by journal 03 Jun, 2025 Editor assigned by journal 28 May, 2025 Submission checks completed at journal 26 May, 2025 First submitted to journal 25 May, 2025 You are reading this latest preprint version 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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