Single-crystal micro/nanostructures and thin films of lamellar molybdenum oxide by solid-state pyrolysis of organometallic derivatives of a cyclotriphosphazene

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dc.contributor.authorDíaz, Carlos
dc.contributor.authorLavayen, Vladimir
dc.contributor.authorO'Dwyer, Colm
dc.date.accessioned2016-07-01T11:00:59Z
dc.date.available2016-07-01T11:00:59Z
dc.date.issued2010-05-15
dc.date.updated2012-11-29T17:40:12Z
dc.description.abstractThe solid-state pyrolysis of organometallic derivatives of a cyclotriphosphazene is demonstrated to be a new, simple and versatile solid-state templating method for obtaining single-crystal micro- and nanocrystals of transition and valve metal oxides. The technique, when applied to Mo-containing organometallics N3P3[OC6H4CH2CN·Mo(CO)5]6 and N3P3[OC6H4CH2CN·Mo(CO)4 py]6, results in stand-alone and surface-deposited lamellar MoO3 single crystals, as determined by electron and atomic force microscopies and X-ray diffraction. The size and morphology of the resulting crystals can be tuned by the composition of the precursor. X-ray photoelectron and infrared spectroscopies indicate that the deposition of highly lamellar MoO3 directly on an oxidized (400 nm SiO2) surface or (100) single-crystal silicon surfaces yields a layered uniphasic single-crystal film formed by cluster diffusion on the surface during pyrolysis of the metal-carbonyl derivatives. For MoO3 in its layered form, this provides a new route to an important intercalation material for high energy density battery materials.en
dc.description.sponsorshipFondo Nacional de Desarrollo Científico y Tecnológico, Chile (FONDECYT Grant nos. 1085011, 1095135, 1090683, and 1090282; PBCT Grant ACT027; Irish Government (INSPIRE programme, funded by the Programme for Research in Third Level Institutions, Cycle 4, National Development Plan 2007–2013.)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDiaz, C., Lavayen, V., ,O'Dwyer, C. (2010) 'Single-crystal micro/nanostructures and thin films of lamellar molybdenum oxide by solid-state pyrolysis of organometallic derivatives of a cyclotriphosphazene', Journal of Solid State Chemistry, 183(7), pp. 1595-1603. http://www.sciencedirect.com/science/article/pii/S0022459610001957en
dc.identifier.doi10.1016/j.jssc.2010.05.006
dc.identifier.endpage1603en
dc.identifier.issn0022-4596
dc.identifier.issued7en
dc.identifier.journaltitleJournal of Solid State Chemistryen
dc.identifier.startpage1595en
dc.identifier.urihttps://hdl.handle.net/10468/2818
dc.identifier.volume183en
dc.language.isoenen
dc.publisherElsevieren
dc.rights© 2010 Elsevier Inc. This manuscript version is made available under the CC-BY-NC-ND 4.0 licenseen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectNanostructuresen
dc.subjectMetal oxidesen
dc.subjectOrganometallic synthesisen
dc.subjectPyrolysisen
dc.subjectBattery materialsen
dc.subjectIntercalationen
dc.titleSingle-crystal micro/nanostructures and thin films of lamellar molybdenum oxide by solid-state pyrolysis of organometallic derivatives of a cyclotriphosphazeneen
dc.typeArticle (peer-reviewed)en
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