Impact of luminescent yarns structure on light emission

Impact of luminescent yarns structure on light emission | 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 Impact of luminescent yarns structure on light emission Brigita Kolcavova Sirkova, Eva Mouckova This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6263242/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 04 May, 2025 Read the published version in Scientific Reports → Version 1 posted 12 You are reading this latest preprint version Abstract This study investigates and discusses the structure of the luminescent phosphorescent multifilament yarns to determine the effect of their external and internal structure geometry on the magnitude of light emission. The polyester luminescent multifilament yarns with the flat, textured, air textured and wraped were analyzed and compared in terms of their structure and the intensity of light emission. The light emission was evaluated based on the wavelength that corresponded to the maximum emission light signal. The signal was determined from the values of the emission light signal of all wavelengths spectrum at zero time for all measured luminescent multifilament yarns. Geometrical properties of luminiscent multifilament yarns (number of fibrils, multifilament diameter and diameter variability, number of entanglements), as well as individual fibrils (fibril fineness, fibril equivalent diameter, and shape factor) were measured and calculated to analyze their effect on light emission. The assumption that light emission increases with increasing yarn count and yarn diameter was not confirmed. In relation to the type of yarns, the geometry of the fibers in the yarn is decisive in terms of fibril fineness and area of ​​fibril cross-section. Physical sciences/Engineering Physical sciences/Materials science luminescence woven fabric light emitting structure fibre yarn multifilament Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 04 May, 2025 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 16 Apr, 2025 Reviews received at journal 15 Apr, 2025 Reviews received at journal 13 Apr, 2025 Reviews received at journal 09 Apr, 2025 Reviewers agreed at journal 30 Mar, 2025 Reviewers agreed at journal 29 Mar, 2025 Reviewers agreed at journal 29 Mar, 2025 Reviewers invited by journal 28 Mar, 2025 Editor assigned by journal 28 Mar, 2025 Editor invited by journal 28 Mar, 2025 Submission checks completed at journal 27 Mar, 2025 First submitted to journal 19 Mar, 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. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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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-6263242","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":443047904,"identity":"0ddea079-8839-430b-94cb-529245dc4906","order_by":0,"name":"Brigita Kolcavova Sirkova","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABAElEQVRIie3QMWrDMBSA4ScEzqIDyLioV1DJkARMepVnBD6DoUMTBOqSNmt7mxpBvfgAKV0SunQo1NlS6FBZ6dKCnLWD/sVC5rOeBRCL/cMkkAWgW3Cgi+PWyD23Jwn2hPwQZsF/JEz6fhGuhskks/ptd5hDerNcdp8mL9YPH08cYX4ZIrO7wkwRFWSs1umtKYv7F5U4omhwsJYYiUhB8MIAa+0YjuQxOUGuPSFfjpw/W0/YANFbRAuZI5RVVsgN9YQH/2VFDGDZsHRV6+ysKsVFq8ZTlEqGyISNXveH/ErwRtf7d5kz0dS7TVeFb8yV9CP8nTx4ho92g69jsVgs9g3/nlDogZ1EwAAAAABJRU5ErkJggg==","orcid":"","institution":"Technical University of Liberec","correspondingAuthor":true,"prefix":"","firstName":"Brigita","middleName":"Kolcavova","lastName":"Sirkova","suffix":""},{"id":443047905,"identity":"b7ff78c7-0a4f-46bf-a218-3f070a80c4fe","order_by":1,"name":"Eva Mouckova","email":"","orcid":"","institution":"Technical University of Liberec","correspondingAuthor":false,"prefix":"","firstName":"Eva","middleName":"","lastName":"Mouckova","suffix":""}],"badges":[],"createdAt":"2025-03-19 16:08:10","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-6263242/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-6263242/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1038/s41598-025-00506-4","type":"published","date":"2025-05-04T15:57:34+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":81987772,"identity":"0ab6b074-49b2-42ec-a10d-e4db21db5d43","added_by":"auto","created_at":"2025-05-05 16:05:55","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1128286,"visible":true,"origin":"","legend":"","description":"","filename":"MainDocumentmanuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-6263242/v1_covered_199a41ab-7252-4cc6-89bf-a9185c65a07e.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Impact of luminescent yarns structure on light emission","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"scientific-reports","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"scirep","sideBox":"Learn more about [Scientific Reports](http://www.nature.com/srep/)","snPcode":"","submissionUrl":"","title":"Scientific Reports","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"Scientific Reports","inReviewEnabled":true,"inReviewRevisionsEnabled":true},"keywords":"luminescence, woven fabric, light emitting, structure, fibre, yarn, multifilament","lastPublishedDoi":"10.21203/rs.3.rs-6263242/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-6263242/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eThis study investigates and discusses the structure of the luminescent phosphorescent multifilament yarns to determine the effect of their external and internal structure geometry on the magnitude of light emission. The polyester luminescent multifilament yarns with the flat, textured, air textured and wraped were analyzed and compared in terms of their structure and the intensity of light emission. The light emission was evaluated based on the wavelength that corresponded to the maximum emission light signal. The signal was determined from the values of the emission light signal of all wavelengths spectrum at zero time for all measured luminescent multifilament yarns. Geometrical properties of luminiscent multifilament yarns (number of fibrils, multifilament diameter and diameter variability, number of entanglements), as well as individual fibrils (fibril fineness, fibril equivalent diameter, and shape factor) were measured and calculated to analyze their effect on light emission. The assumption that light emission increases with increasing yarn count and yarn diameter was not confirmed. 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