Thermal states of exfoliated gC3N4 embedded coral-shaped ZrO2 nanoparticles as a robust emissive layer for OLED application

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This work synthesized a gC3N4/ZrO2 nanocomposite using ultrasonic waves, characterizing its structural, optical, and electrical properties to evaluate its potential as an emissive layer for OLEDs.

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The paper studied synthesis and characterization of a gC3N4/ZrO2 nanocomposite, created by an ultrasonic sound wave method, with the goal of assessing its suitability as a robust emissive layer for OLEDs. Using XRD, FESEM, HR-TEM, FTIR, UV-visible spectroscopy, photoluminescence, and electrical/dielectric measurements (LCR meter and I–V graphs), the authors reported crystalline composite formation with an optical band gap of 2.98 eV, absorption between 250–450 nm, and photoluminescence emission between 450–530 nm, alongside a refractive index reported as n=1.5 and electrical conductivity of 2.63 × 10−3 S/cm. They state that lower dielectric constant and refractive index, an optimized band gap, and a higher electron-hole recombination rate indicate successful emissive-layer performance, while the work is a Research Square preprint that has not been peer reviewed. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Metal-free graphitic carbon nitride (gC 3 N 4 ) is proving as a growing star of the carbon nitride family due to its glamorous electrical, optical, and thermal properties. Blending of zirconium oxide (ZrO 2 ) semiconductor with different weight percentage improves the properties of the pure gC 3 N 4 . In this work, we used the ultrasonic sound wave method to synthesize gC 3 N 4 /ZrO 2 nanocomposite. Characterization techniques such as X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HR-TEM), Fourier transforms infrared microscopy (FTIR), UV-visible, and photoluminescence were used to characterize the as-synthesized gC 3 N 4 , ZrO 2, and gC 3 N 4 /ZrO 2 nanocomposite. The XRD measurement method confirmed the crystalline nature and determined the average particle size of the composite. Fourier transform infrared (FTIR) spectroscopy was performed to examine the presence of functional groups in synthesized materials. Bandgap energy of 2.98 eV and light absorbed in the range of 250 nm - 450 nm was recorded by UV visible spectroscopy. Photoluminescence spectroscopy revealed photon emission in the range 450 nm -530 nm of the synthesized materials. Dielectric constant, refractive index (n=1.5), and electrical conductivity (2.63 × 10 -3 S/cm) were computed using LCR meter and I-V graph. Lower dielectric constant, refractive index, optimized optical band gap energy, and higher electron-hole recombination rate of gC 3 N 4 /ZrO 2 illustrated a successful emissive layer for organic light-emitting diode applications.
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Thermal states of exfoliated gC3N4 embedded coral-shaped ZrO2 nanoparticles as a robust emissive layer for OLED application | 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 Thermal states of exfoliated gC 3 N 4 embedded coral-shaped ZrO 2 nanoparticles as a robust emissive layer for OLED application Jayanta Bauri, Ram Bilash Choudhary This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-1780839/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Metal-free graphitic carbon nitride (gC 3 N 4 ) is proving as a growing star of the carbon nitride family due to its glamorous electrical, optical, and thermal properties. Blending of zirconium oxide (ZrO 2 ) semiconductor with different weight percentage improves the properties of the pure gC 3 N 4 . In this work, we used the ultrasonic sound wave method to synthesize gC 3 N 4 /ZrO 2 nanocomposite. Characterization techniques such as X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HR-TEM), Fourier transforms infrared microscopy (FTIR), UV-visible, and photoluminescence were used to characterize the as-synthesized gC 3 N 4 , ZrO 2, and gC 3 N 4 /ZrO 2 nanocomposite. The XRD measurement method confirmed the crystalline nature and determined the average particle size of the composite. Fourier transform infrared (FTIR) spectroscopy was performed to examine the presence of functional groups in synthesized materials. Bandgap energy of 2.98 eV and light absorbed in the range of 250 nm - 450 nm was recorded by UV visible spectroscopy. Photoluminescence spectroscopy revealed photon emission in the range 450 nm -530 nm of the synthesized materials. Dielectric constant, refractive index (n=1.5), and electrical conductivity (2.63 × 10 -3 S/cm) were computed using LCR meter and I-V graph. Lower dielectric constant, refractive index, optimized optical band gap energy, and higher electron-hole recombination rate of gC 3 N 4 /ZrO 2 illustrated a successful emissive layer for organic light-emitting diode applications. Graphitic carbon nitride Emissive layer material Refractive index Optical and Electrical conductivity Recombination Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted 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-1780839","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":118867908,"identity":"c6e363e3-d8c5-4e7a-a4cb-c6bb0ea4acd8","order_by":0,"name":"Jayanta Bauri","email":"","orcid":"","institution":"Indian Institute of Technology Dhanbad","correspondingAuthor":false,"prefix":"","firstName":"Jayanta","middleName":"","lastName":"Bauri","suffix":""},{"id":118867909,"identity":"14fc961e-86fb-472a-aa1a-de566f82d049","order_by":1,"name":"Ram Bilash Choudhary","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAsElEQVRIiWNgGAWjYDACCQaGAwwMNkAWY+MBUrSkgbQ0EK8FCA6DSeK0mM9ufnjwZ855u7Xth4G21NhEE9Qic+eYwWHebbeTt51JBGo5lpbbQNBdEjkMhxmBWswOALUwNhwmTsvBn9vOJZudf0iClgO82w7Ymd0g2hYZsF+SE8xuAG1JIMov0s2PP/7cZmdvdj794YMPNTaEtcBAIlhlArHKQcCeFMWjYBSMglEwwgAA0atI0naizm0AAAAASUVORK5CYII=","orcid":"","institution":"Indian Institute of Technology Dhanbad","correspondingAuthor":true,"prefix":"","firstName":"Ram","middleName":"Bilash","lastName":"Choudhary","suffix":""}],"badges":[],"createdAt":"2022-06-21 13:14:23","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-1780839/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-1780839/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":23647451,"identity":"18d5f94e-a841-4653-aa69-b45229ae7b80","added_by":"auto","created_at":"2022-07-08 18:07:46","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":590527,"visible":true,"origin":"","legend":"","description":"","filename":"RevisedManuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-1780839/v1_covered.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"\u003cp\u003eThermal states of exfoliated gC\u003csub\u003e3\u003c/sub\u003eN\u003csub\u003e4\u003c/sub\u003e embedded coral-shaped ZrO\u003csub\u003e2\u003c/sub\u003e nanoparticles as a robust emissive layer for OLED application\u003c/p\u003e","fulltext":[{"header":"Full Text","content":"This preprint is available for \u003ca href='/article/rs-1780839/latest.pdf' target='_blank'\u003edownload as a PDF\u003c/a\u003e."}],"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":false,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"Graphitic carbon nitride, Emissive layer material, Refractive index, Optical and Electrical conductivity, Recombination","lastPublishedDoi":"10.21203/rs.3.rs-1780839/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-1780839/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eMetal-free graphitic carbon nitride (gC\u003csub\u003e3\u003c/sub\u003eN\u003csub\u003e4\u003c/sub\u003e) is proving as a growing star of the carbon nitride family due to its glamorous electrical, optical, and thermal properties. 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