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New insights into the nucleation and growth of PS nodules on silica nanoparticles by 3D cryo-electron tomography

hal.structure.identifierImagerie Moléculaire et Nanobiotechnologies - Institut Européen de Chimie et Biologie [IECB]
dc.contributor.authorTAVEAU, Jean-Christophe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierCentre de recherches Paul Pascal [CRPP]
dc.contributor.authorNGUYEN, David
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierCentre de recherches Paul Pascal [CRPP]
dc.contributor.authorPERRO, Adeline
hal.structure.identifierCentre de recherches Paul Pascal [CRPP]
dc.contributor.authorRAVAINE, Serge
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDUGUET, Etienne
hal.structure.identifierImagerie Moléculaire et Nanobiotechnologies - Institut Européen de Chimie et Biologie [IECB]
dc.contributor.authorLAMBERT, Olivier
dc.date.issued2008
dc.identifier.issn1744-683X
dc.description.abstractEnThe nucleation and growth of polystyrene (PS) nodules on 170 nm silica seeds under emulsion-polymerization conditions have been investigated for the first time by cryo-electron tomography. 3D arrangements were reconstructed from samples collected at several polymerization times (from 5 to 120 min). Early samples display the presence of small PS nodules bound to silica particles in a random distribution. For longer polymerization times, the number of PS nodules per silica seed decreases leading to octopod-like morphologies. The tomographic method allowed us to measure the contact angle that the growing PS nodules form with the silica bead surface. The average value of 142.4° remains constant over all of the observed period of the polymerization reaction. This contact angle appeared to be one of the key parameters for controlling the morphology of PS–silica biphasic particles.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enNew insights into the nucleation and growth of PS nodules on silica nanoparticles by 3D cryo-electron tomography
dc.typeArticle de revue
dc.identifier.doi10.1039/b710137f
dc.subject.halChimie/Matériaux
bordeaux.journalSoft Matter
bordeaux.page311-315
bordeaux.volume4
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00218247
hal.version1
hal.popularnon
hal.audienceInternationale
dc.subject.esElectron tomography
dc.subject.esSilica
dc.subject.esNanoparticles
dc.subject.esPolystyrene
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00218247v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Soft%20Matter&rft.date=2008&rft.volume=4&rft.issue=2&rft.spage=311-315&rft.epage=311-315&rft.eissn=1744-683X&rft.issn=1744-683X&rft.au=TAVEAU,%20Jean-Christophe&NGUYEN,%20David&PERRO,%20Adeline&RAVAINE,%20Serge&DUGUET,%20Etienne&rft.genre=article


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