{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1361137046248489472.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/adfm.201202601"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fadfm.201202601"}},{"identifier":{"@type":"URI","@value":"https://advanced.onlinelibrary.wiley.com/doi/pdf/10.1002/adfm.201202601"}}],"dc:title":[{"@value":"Ultrathin Graphene Nanofiltration Membrane for Water Purification"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>A method of fabricating ultrathin (≈22–53 nm thick) graphene nanofiltration membranes (uGNMs) on microporous substrates is presented for efficient water purification using chemically converted graphene (CCG). The prepared uGNMs show well packed layer structure formed by CCG sheets, as characterized by scanning electron microscopy, atomic force microscopy, and transmission electron microscopy. The performance of the uGNMs for water treatment was evaluated on a dead end filtration device and the pure water flux of uGNMs was high (21.8 L m<jats:sup>−2</jats:sup> h<jats:sup>−1</jats:sup> bar<jats:sup>−1</jats:sup>). The uGNMs show high retention (>99%) for organic dyes and moderate retention (≈20–60%) for ion salts. The rejection mechanism of this kind of negatively charged membranes is intensively studied, and the results reveal that physical sieving and electrostatic interaction dominate the rejection process. Because of the ultrathin nature of uGNMs, 34 mg of CCG is sufficient for making a square meter of nanofiltration membrane, indicating that this new generation graphene‐based nanofiltration technology would be resource saving and cost‐effective. The integration of high performance, low cost, and simple solution‐based fabrication process promises uGNMs great potential application in practical water purification.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381137046248489344","@type":"Researcher","foaf:name":[{"@value":"Yi Han"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046248489472","@type":"Researcher","foaf:name":[{"@value":"Zhen Xu"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137046248489473","@type":"Researcher","foaf:name":[{"@value":"Chao Gao"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"1616301X"},{"@type":"EISSN","@value":"16163028"}],"prism:publicationName":[{"@value":"Advanced Functional Materials"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2013-02-26","prism:volume":"23","prism:number":"29","prism:startingPage":"3693","prism:endingPage":"3700"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fadfm.201202601"},{"@id":"https://advanced.onlinelibrary.wiley.com/doi/pdf/10.1002/adfm.201202601"}],"createdAt":"2013-02-26","modifiedAt":"2025-10-06","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050294807656479360","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Control over the Hydrophilicity in the Pores of Covalent Organic Framework Membranes for High-Flux Separation of Dyes from Water"}]},{"@id":"https://cir.nii.ac.jp/crid/1050575520345179392","@type":"Article","resourceType":"学術雑誌論文(journal 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