{"@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/1362257544107166208.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.3390/cryst9060309"}},{"identifier":{"@type":"URI","@value":"https://www.mdpi.com/2073-4352/9/6/309/pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Design of Ionic Liquid Crystals Forming Normal-Type Bicontinuous Cubic Phases with a 3D Continuous Ion Conductive Pathway"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>We have prepared a series of pyridinium-based gemini amphiphiles. They exhibit thermotropic liquid–crystalline behavior depending on their alkyl chain lengths and anion species. By adjusting the alkyl chain lengths and selecting suitable anions, we have obtained an ionic amphiphile that exhibits a normal-type bicontinuous cubic phase from 38 °C to 12 °C on cooling from an isotropic phase. In the bicontinuous cubic liquid–crystalline assembly, the pyridinium-based ionic parts align along a gyroid minimal surface forming a 3D continuous ionic domain while their ionophobic alkyl chains form 3D branched nanochannel networks. This ionic compound can form homogeneous mixtures with a lithium salt and the resultant mixtures keep the ability to form normal-type bicontinuous cubic phases. Ion conduction measurements have been performed for the mixtures on cooling. It has been revealed that the formation of the 3D branched ionophobic nanochannels does not disturb the ion conduction behavior in the ionic domain while it results in the conversion of the state of the mixtures from fluidic liquids to quasi-solids, namely highly viscous liquid crystals. Although the ionic conductivity of the mixtures is in the order of 10–7 S cm–1 at 40 °C, which is far lower than the values for practical use, the present material design has a potential to pave the way for developing advanced solid electrolytes consisting of two task-specific nanosegregated domains: One is an ionic liquid nano-domain with a 3D continuity for high ionic conductivity and the other is ionophobic nanochannel network domains for high mechanical strength.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382257544107166337","@type":"Researcher","foaf:name":[{"@value":"Takahiro Ichikawa"}],"jpcoar:affiliationName":[{"@value":"Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan"},{"@value":"Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Honcho, Kawaguchi 332-0012, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382257544107166080","@type":"Researcher","foaf:name":[{"@value":"Yui Sasaki"}],"jpcoar:affiliationName":[{"@value":"Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382257544107166209","@type":"Researcher","foaf:name":[{"@value":"Tsubasa Kobayashi"}],"jpcoar:affiliationName":[{"@value":"Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382257544107166208","@type":"Researcher","foaf:name":[{"@value":"Hikaru Oshiro"}],"jpcoar:affiliationName":[{"@value":"Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382257544107166336","@type":"Researcher","foaf:name":[{"@value":"Ayaka Ono"}],"jpcoar:affiliationName":[{"@value":"Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1382257544107166339","@type":"Researcher","foaf:name":[{"@value":"Hiroyuki Ohno"}],"jpcoar:affiliationName":[{"@value":"Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"20734352"}],"prism:publicationName":[{"@value":"Crystals"}],"dc:publisher":[{"@value":"MDPI AG"}],"prism:publicationDate":"2019-06-14","prism:volume":"9","prism:number":"6","prism:startingPage":"309"},"reviewed":"false","dc:rights":["https://creativecommons.org/licenses/by/4.0/"],"url":[{"@id":"https://www.mdpi.com/2073-4352/9/6/309/pdf"}],"createdAt":"2019-06-14","modifiedAt":"2025-10-11","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=gemini","dc:title":"gemini"},{"@id":"https://cir.nii.ac.jp/all?q=Crystallography","dc:title":"Crystallography"},{"@id":"https://cir.nii.ac.jp/all?q=ionic%20liquid%20crystal","dc:title":"ionic liquid crystal"},{"@id":"https://cir.nii.ac.jp/all?q=gyroid","dc:title":"gyroid"},{"@id":"https://cir.nii.ac.jp/all?q=QD901-999","dc:title":"QD901-999"},{"@id":"https://cir.nii.ac.jp/all?q=bicontinuous%20cubic%20phase","dc:title":"bicontinuous cubic phase"},{"@id":"https://cir.nii.ac.jp/all?q=ion%20conduction","dc:title":"ion conduction"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040000781996174336","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"18J21088"},{"@type":"JGN","@value":"JP18J21088"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18J21088/"}],"notation":[{"@language":"ja","@value":"双連続キュービック液晶を利用した水素／電解質／白金間における三相界面の拡張"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002216890136192","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"2D assemblies of ionic liquid crystals based on imidazolium moieties: formation of ion-conductive layers"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002219105116928","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Functional Design of Ionic Liquids"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011144633790976","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"On thermotropic 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