Synthesis of ZnO/MoS2 nanocomposite for photodegradation of Methylene blue

Synthesis of ZnO/MoS2 nanocomposite for photodegradation of Methylene blue | 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 Synthesis of ZnO/MoS2 nanocomposite for photodegradation of Methylene blue Hossein Karimi Moein This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4360997/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 An effective way to boost ZnO's photocatalytic activity is to decorate it with MoS2 nanosheets, a transition metal dichalcogenide with a narrow band gap. Fewer studies, nevertheless, demonstrate how multilayers of MoS2 nanosheets affect ZnO/MoS2 photocatalytic activity. ZnO nanorods were adorned in this study with low-layer and multilayer MoS2 nanosheets (about 11 and 3 atomic layers), which were annealed for 4 and 8 hours, respectively. The breakdown of methyl blue was subsequently explained using this kind of heterostructure. Our findings demonstrate that the ZnO/MoS2 photocatalytic efficiency is not only less than that of pure ZnO but also declines by 11% as the length and number of MoS2 nanosheet layers increase. The reduction in adsorption capacity could be the cause of this effect. of the ZnO/MoS2 system's water molecules as the contact angle rises from 17 o –23 o to 73 o –76 o . Because the planar surface of the 2H-MoS2 phase is hydrophobic, or an inactive catalytic site, there is an increased contact angle for ZnO/MoS2. photocatalytic Transition metal dichalcogenides MoS2 nanosheets ZnO nanorods 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-4360997","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":301884210,"identity":"34a0adf4-283c-43dd-b736-dbc45eb7b934","order_by":0,"name":"Hossein Karimi Moein","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABC0lEQVRIiWNgGAWjYBACAxCRAKYZGxgSDNjk+MEiBURrqeAzlmwAiRgQ0IKgz8glbjiALI4FmLO3P/7woOKOMf/sw60bHraZMW4+vzrxwwMDBnl+sQNYtVj2nDGTSDjzzEziXGLbjcS2NGazG283SwAdZjhzdgJ2h93IYWNIbDtsw3CGEaTlGJvZjbMbQFoSDG7j0pL++EPiv8M28hAt/3mMZ5zd/AO/lgQDicSGw2YGIC0JZ9gkDPh7t+G35QzIL8cOGxuCtVSwGUjc4N1mATQHt1+Otz/++KPmsOG8M+zPbv4wYKvv7z+7+eaPCht5fmnsWrAACbBKCWKVgwD/AVJUj4JRMApGwQgAAKloajshcxujAAAAAElFTkSuQmCC","orcid":"","institution":"Ferdowsi University of Mashhad","correspondingAuthor":true,"prefix":"","firstName":"Hossein","middleName":"Karimi","lastName":"Moein","suffix":""}],"badges":[],"createdAt":"2024-05-02 21:08:39","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-4360997/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-4360997/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":58563886,"identity":"04516bf7-7df7-4953-a919-c91795ac206c","added_by":"auto","created_at":"2024-06-18 09:34:45","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1354575,"visible":true,"origin":"","legend":"","description":"","filename":"ARTICLE.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4360997/v1_covered_dfdf3a59-c912-4465-8d73-8e7c0399ef4d.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Synthesis of ZnO/MoS2 nanocomposite for photodegradation of Methylene blue","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":"[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":"photocatalytic, Transition metal dichalcogenides, MoS2 nanosheets, ZnO nanorods","lastPublishedDoi":"10.21203/rs.3.rs-4360997/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4360997/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eAn effective way to boost ZnO's photocatalytic activity is to decorate it with MoS2 nanosheets, a transition metal dichalcogenide with a narrow band gap. Fewer studies, nevertheless, demonstrate how multilayers of MoS2 nanosheets affect ZnO/MoS2 photocatalytic activity. ZnO nanorods were adorned in this study with low-layer and multilayer MoS2 nanosheets (about 11 and 3 atomic layers), which were annealed for 4 and 8 hours, respectively. The breakdown of methyl blue was subsequently explained using this kind of heterostructure. Our findings demonstrate that the ZnO/MoS2 photocatalytic efficiency is not only less than that of pure ZnO but also declines by 11% as the length and number of MoS2 nanosheet layers increase. The reduction in adsorption capacity could be the cause of this effect.\u003c/p\u003e \u003cp\u003eof the ZnO/MoS2 system's water molecules as the contact angle rises from 17\u003csup\u003eo\u003c/sup\u003e\u0026ndash;23\u003csup\u003eo\u003c/sup\u003e to 73\u003csup\u003eo\u003c/sup\u003e\u0026ndash;76\u003csup\u003eo\u003c/sup\u003e. 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