Evolution of cyclic clusters in SiO2 hollow particle shells during heat treatment

Evolution of cyclic clusters in SiO2 hollow particle shells during heat treatment | 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 Evolution of cyclic clusters in SiO2 hollow particle shells during heat treatment Tatiana N. Fursova, Nadezhda S. Sukhinina, Vladimir M. Masalov, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5327533/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 10 Jan, 2025 Read the published version in Journal of Sol-Gel Science and Technology → Version 1 posted 7 You are reading this latest preprint version Abstract The transformation of shell structure of PMMA–SiO 2 core-shell particles and hollow SiO 2 particles undergoing heat treatment was studied by IR spectroscopy using deconvolution of absorption bands in the frequency range 400–650 cm –1 . It was revealed that the changes in the IR absorption spectra during annealing were caused by structural transformation of the particles' material due to its restructuring, including the formation of silica ring clusters of different sizes and changes of their ratio during annealing. The used method of the spectra deconvolution made it possible to consider in more detail the parameters and contributions of the vibration modes of such clusters to the absorption spectra of SiO 2 . A modified structure of an organosilicon polymer polymer, synthesized through hydrolysis of vinyltrimethoxysilane, which represents a polymer chain of repeating fragments containing four- and three-membered siloxane rings linked by a bridging oxygen atom, is proposed. It has been found that skeletal vibrations of 6-membered silica rings combined with TO 1 and LO 1 vibration modes make the principal contribution to total IR absorption of the studied samples both in amorphous and in crystal silica structures obtained after annealing. core-shell particles hollow particles silica heat treatment deconvolution IR spectroscopy Full Text Additional Declarations No competing interests reported. Supplementary Files Graphicalabstractwhite1.tif SupplementaryInformation.docx Cite Share Download PDF Status: Published Journal Publication published 10 Jan, 2025 Read the published version in Journal of Sol-Gel Science and Technology → Version 1 posted Editorial decision: Revision requested 18 Nov, 2024 Reviews received at journal 18 Nov, 2024 Reviewers agreed at journal 05 Nov, 2024 Reviewers invited by journal 04 Nov, 2024 Editor assigned by journal 24 Oct, 2024 Submission checks completed at journal 24 Oct, 2024 First submitted to journal 24 Oct, 2024 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. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-5327533","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":373844887,"identity":"9c0a23d2-d567-4e7e-abdf-6ee0c2978342","order_by":0,"name":"Tatiana N. 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