Single-crystalmicro/nanostructuresandthinfilmsoflamellarmolybdenum oxide bysolid-statepyrolysisoforganometallicderivativesofa cyclotriphosphazene
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2010-05-15Metadata
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Díaz Valenzuela, Carlos
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Single-crystalmicro/nanostructuresandthinfilmsoflamellarmolybdenum oxide bysolid-statepyrolysisoforganometallicderivativesofa cyclotriphosphazene
Abstract
The solid-statepyrolysisoforganometallicderivativesofacyclotriphosphazeneisdemonstratedtobea
new, simpleandversatilesolid-statetemplatingmethodforobtainingsingle-crystalmicro-and
nanocrystalsoftransitionandvalvemetaloxides.Thetechnique,whenappliedtoMo-containing
organometallicsN3P3[OC6H4CH2CN Mo(CO)5]6 and N3P3[OC6H4CH2CN Mo(CO)4 py]6, resultsinstand-
alone andsurface-depositedlamellarMoO3 single crystals,asdeterminedbyelectronandatomicforce
microscopiesandX-raydiffraction.Thesizeandmorphologyoftheresultingcrystalscanbetunedby
the compositionoftheprecursor.X-rayphotoelectronandinfraredspectroscopiesindicatethatthe
depositionofhighlylamellarMoO3 directly onanoxidized(400nmSiO2) surfaceor(100)single-crystal
silicon surfacesyieldsalayereduniphasicsingle-crystalfilmformedbyclusterdiffusiononthesurface
during pyrolysisofthemetal-carbonylderivatives.ForMoO3 in itslayeredform,thisprovidesanew
routetoanimportantintercalationmaterialforhighenergydensitybatterymaterials.
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Artículo de publicación ISI
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Financial supportfromFONDECYTGrantnos.1085011,
1095135, 1090683,and1090282isacknowledged.V.L.acknowl-
edges PBCTGrantACT027.Partofthisworkwasconductedunder
the frameworkoftheINSPIREprogramme,fundedbytheIrish
Government’s ProgrammeforResearchinThirdLevelInstitutions,
Cycle 4,NationalDevelopmentPlan2007–2013.
Quote Item
Journal ofSolidStateChemistry, 183, 1595–1603, 2010.
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