Solution and surfactant-free growth of supported high index facet SERS active nanoparticles of rhenium by phase demixing

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dc.contributor.authorValenzuela, Carlos Díaz
dc.contributor.authorValenzuela, María Luisa
dc.contributor.authorCaceres, S.
dc.contributor.authorO'Dwyer, Colm
dc.contributor.funderFondo Nacional de Desarrollo Científico y Tecnológicoen
dc.contributor.funderHigher Education Authorityen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2018-05-21T15:29:01Z
dc.date.available2018-05-21T15:29:01Z
dc.date.issued2012-11-21
dc.date.updated2018-05-16T00:19:22Z
dc.description.abstractStable, high-index facet Re nanoparticles have been grown by a solid state synthetic method, negating the need for solutions or surfactants to control seeding, supracrystallization and NP shape. By using mixtures of K[ReO4] and the cyclic triphosphazene [NP(O2C12H8)]3, high-index facet nanoparticles and nanocrystals [similar]3 nm in size can be seeded and grown from drop-cast films and powders due to phase demixing of the metallopolymer. NP dispersions are formed directly within a carbon support that liquefies, allowing NP coarsening and ripening, and the eventual formation of a solidified graphitic support filled with crystals. Successful growth of mesoscale supracrystals of Re also occurs from ripening of nucleated NP seeds, incubated within a solidified and partially dewetted solid support that patterns the surface. The supported Re NP dispersions also exhibit surface enhanced Raman scattering within a graphitic matrix.en
dc.description.sponsorshipFondo Nacional de Desarrollo Científico y Tecnológico (Fondecyt grants 1120179 and 1095135); Higher Education Authority (under the framework of the INSPIRE programme, funded by the Irish Government's 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.citationValenzuela, C. D., Valenzuela, M. L., Caceres, S. and O'Dwyer, C. (2013) 'Solution and surfactant-free growth of supported high index facet SERS active nanoparticles of rhenium by phase demixing', Journal of Materials Chemistry A, 1(5), pp. 1566-1572.en
dc.identifier.doi10.1039/C2TA00262K
dc.identifier.endpage1572en
dc.identifier.issn2050-7488
dc.identifier.journaltitleJournal of Materials Chemistry Aen
dc.identifier.startpage1566en
dc.identifier.urihttps://hdl.handle.net/10468/6164
dc.identifier.volume1en
dc.language.isoenen
dc.publisherRoyal Society of Chemistry (RSC)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.projectinfo:eu-repo/grantAgreement/SFI/SFI Stokes Professorship & Lectureship Programme/07/SK/B1232a/IE/Colm ODwyer/en
dc.rights© The Royal Society of Chemistry 2013en
dc.subjectNanoparticlesen
dc.subjectDispersionsen
dc.subjectRaman spectroscopyen
dc.subjectSurface scatteringen
dc.subjectHigh-index facetsen
dc.subjectNanoparticles and nanocrystalsen
dc.subjectRe nanoparticlesen
dc.subjectSolid supportsen
dc.subjectSupra crystalsen
dc.subjectSurface enhanceden
dc.subjectRaman Scattering (SERS)en
dc.subjectSurfactant-freeen
dc.subjectSynthetic methodsen
dc.titleSolution and surfactant-free growth of supported high index facet SERS active nanoparticles of rhenium by phase demixingen
dc.typeArticle (peer-reviewed)en
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