Large directional conductivity change in chemically stable layered thin films of vanadium oxide and a 1D metal complex

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dc.contributor.authorGlynn, Colm
dc.contributor.authorThompson, Damien
dc.contributor.authorPaez, Jaime
dc.contributor.authorBenevente, Englantina
dc.contributor.authorLavayen, Vladimir
dc.contributor.authorYutronic, Nicolas I.
dc.contributor.authorHolmes, Justin D.
dc.contributor.authorGonzalez, Guillermo
dc.contributor.authorO'Dwyer, Colm
dc.contributor.funderIrish Research Councilen
dc.contributor.funderFondo Nacional de Desarrollo Científico y Tecnológicoen
dc.contributor.funderConsejo Nacional de Innovación, Ciencia y Tecnologíaen
dc.contributor.funderConselho Nacional de Desenvolvimento Científico e Tecnológicoen
dc.contributor.funderUniversity College Corken
dc.date.accessioned2018-05-21T13:33:54Z
dc.date.available2018-05-21T13:33:54Z
dc.date.issued2013-06-19
dc.date.updated2018-05-15T23:50:02Z
dc.description.abstractElectroactive hybrid and layered oxides and related materials where the inorganic phase is the host, offering the conductivity characteristics of semiconductors, have been used in thin film transistors and related electronic devices where the host–guest interaction offered conductivity with improved processability. We describe the synthesis and characterization of a nanocomposite that shows large conductivity anisotropy when deposited as a thin film. We prepared the material by inserting quasi 1-dimensional potassium tetracyanoplatinate metal complexes with insulating electrical properties in between stacked nanosheets of vanadium oxide xerogels. Detailed structural and compositional analysis using transmission electron microscopy and X-ray photoelectron spectroscopy confirms that the hybrid material forms from a topotactic reaction and the framework of the layered host oxide structure is maintained. The hybrid film demonstrates a ∼1000-fold conductivity change between transport parallel and perpendicular to the film at room temperature. Temperature dependent transport measurements confirm Ohmic conduction perpendicular to the stack and small polaron hopping conduction parallel to the layering direction of the film. The conductivity anisotropy and simple synthesis demonstrate that nanostructured layered hybrids can provide alternative materials for thin film complementary logic and resistive memory.en
dc.description.sponsorshipIrish Research Council (Grant no.RS/2011/797; IRC New Foundations Award 2012); Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT grant 1131112); Consejo Nacional de Innovación, Ciencia y Tecnología ( CONICYT grant FB0807-CEDENNA, and MSI grant P10-061-F); Conselho Nacional de Desenvolvimento Científico e Tecnológico (PBCT Grant ACT027); University College Cork (UCC Strategic Research Fund)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGlynn, C., Thompson, D., Paez, J., Collins, G., Benavente, E., Lavayen, V., Yutronic, N., Holmes, J. D., Gonzalez, G. and O'Dwyer, C. (2013) 'Large directional conductivity change in chemically stable layered thin films of vanadium oxide and a 1D metal complex', Journal of Materials Chemistry C, 1(36), pp. 5675-5684. doi: 10.1039/c3tc31104jen
dc.identifier.doi10.1039/c3tc31104j
dc.identifier.endpage5684en
dc.identifier.issn2050-7526
dc.identifier.issued36en
dc.identifier.journaltitleJournal of Materials Chemistry Cen
dc.identifier.startpage5675en
dc.identifier.urihttps://hdl.handle.net/10468/6158
dc.identifier.volume1en
dc.language.isoenen
dc.publisherRoyal Society of Chemistry (RSC)en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Starting Investigator Research Grant (SIRG)/11/SIRG/B2111/IE/Engineering Multivalent Proteins for Regenerative Medicine (EMPoRiuM)/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Stokes Professorship & Lectureship Programme/07/SK/B1232a/IE/Colm ODwyer/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Short Term Travel Fellowship (STTF)/07/SK/B1232a - STTF 11/IE/Optical Probing of Phase Changes in Inverse opal Photonic Crystal Li-on Battery Electrodes/en
dc.relation.urihttp://pubs.rsc.org/en/Content/ArticleLanding/2013/TC/c3tc31104j#!divAbstract
dc.rights© The Royal Society of Chemistry 2013en
dc.subjectHybrid materialsen
dc.subjectAlternative materialsen
dc.subjectCompositional analysisen
dc.subjectConductivity changesen
dc.subjectHost guest interactionsen
dc.subjectSmall polaron hopping conductionsen
dc.subjectSynthesis and characterizationsen
dc.subjectTemperature dependenten
dc.subjectTransport measurementsen
dc.subjectAnisotropyen
dc.subjectCharacterizationen
dc.subjectElectric propertiesen
dc.subjectMetal complexesen
dc.subjectOxidesen
dc.subjectPhotoelectronsen
dc.subjectSynthesis (chemical)en
dc.subjectThin filmsen
dc.subjectTransmission electron microscopyen
dc.subjectX ray photoelectron spectroscopyen
dc.titleLarge directional conductivity change in chemically stable layered thin films of vanadium oxide and a 1D metal complexen
dc.typeArticle (peer-reviewed)en
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