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Robust raspberry-like metallo-dielectric nanoclusters of critical sizes as SERS substrates.

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLE BEULZE, Aurélie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGOMEZ-GRAÑA, Sergio
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorGEHAN, Hélène
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMORNET, Stéphane
hal.structure.identifierCentre de recherches Paul Pascal [CRPP]
dc.contributor.authorRAVAINE, Serge
hal.structure.identifierUniversidade de Vigo
dc.contributor.authorCORREA-DUARTE, Miguel A.
hal.structure.identifierUniversitat Rovira i Virgili
dc.contributor.authorGUERRINI, Luca
hal.structure.identifierInstitució Catalana de Recerca i Estudis Avançats = Catalan Institution for Research and Advanced Studies [ICREA]
hal.structure.identifierUniversitat Rovira i Virgili
dc.contributor.authorALVAREZ-PUEBLA, Ramon A.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDUGUET, Etienne
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorPERTREUX, Etienne
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorCRUT, Aurelien
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorMAIOLI, Paolo
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorVALLÉE, Fabrice
hal.structure.identifierInstitut Lumière Matière [Villeurbanne] [ILM]
dc.contributor.authorDEL FATTI, Natalia
hal.structure.identifierInstitut de Physique et Chimie des Matériaux de Strasbourg [IPCMS]
dc.contributor.authorERSEN, Ovidiu
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorTRÉGUER-DELAPIERRE, Mona
dc.date.issued2017
dc.identifier.issn2040-3364
dc.description.abstractEnRaspberry-like nano-objects made of large plasmonic satellites (>10 nm) covering a central dielectric particle have many potential applications as photonic materials, superlenses and (bio-) sensors, but their synthesis remains challenging. Herein, we show how to build stable and robust raspberry-like nano-systems with close-packed satellites, by combining monodisperse silica particles (80 or 100 nm diameter) and oppositely charged noble metal nanoparticles (Au or Ag) with well-defined sizes (10-50 nm). The spectral characteristics of their associated plasmonic resonances (wavelength, linewidth, extinction cross-section) and the electromagnetic coupling between satellites were observed using the spatial modulation spectroscopy technique and interpreted through a numerical model. The composite nano-objects exhibit numerous hot spots at satellite junctions, resulting in excellent surface-enhanced Raman scattering (SERS) performance. The SERS efficiency of the raspberry-like clusters is highly dependent on their structure.
dc.description.sponsorshipInitiative d'excellence de l'Université de Bordeaux
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enRobust raspberry-like metallo-dielectric nanoclusters of critical sizes as SERS substrates.
dc.typeArticle de revue
dc.identifier.doi10.1039/C7NR00969K
dc.subject.halChimie/Matériaux
bordeaux.journalNanoscale
bordeaux.page5725-5736
bordeaux.volume9
bordeaux.issue17
bordeaux.peerReviewedoui
hal.identifierhal-01520572
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01520572v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nanoscale&rft.date=2017&rft.volume=9&rft.issue=17&rft.spage=5725-5736&rft.epage=5725-5736&rft.eissn=2040-3364&rft.issn=2040-3364&rft.au=LE%20BEULZE,%20Aur%C3%A9lie&GOMEZ-GRA%C3%91A,%20Sergio&GEHAN,%20H%C3%A9l%C3%A8ne&MORNET,%20St%C3%A9phane&RAVAINE,%20Serge&rft.genre=article


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