Self-organization of colloidal nanospheres inside emulsion droplets: Higher-order clusters, supraparticles, and supraballs

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dc.contributor.authorCho, Young-Sangko
dc.contributor.authorKim, Shin-Hyunko
dc.contributor.authorYi, Gi-Rako
dc.contributor.authorYang, Seung-Manko
dc.date.accessioned2009-11-17T01:13:11Z-
dc.date.available2009-11-17T01:13:11Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-08-
dc.identifier.citationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, v.345, no.1-3, pp.237 - 245-
dc.identifier.issn0927-7757-
dc.identifier.urihttp://hdl.handle.net/10203/12687-
dc.description.abstractMonodisperse cross-linked polystyrene nanospheres were self-organized to obtain colloidal aggregates from toluene-in-water emulsion droplets employed as confining geometries. During evaporation of toluene droplets by heating, the polystyrene nanospheres were packed into higher-order clusters, supraparticles with intermediate ordering or supraballs with hexagonally ordered structures, depending on the size of the emulsion droplets, and the number of constituent polystyrene particles inside the droplets. The shrinkage of toluene droplets induced inward capillary pressure, leading to particle self-assembly into ordered spherical supraballs when a large number of polystyrene particles were contained inside the droplets. Ink-jet technology was adopted to generate monodisperse toluene droplets containing polystyrene particles, which were transformed into monodisperse supraballs after evaporation-driven self-assembly of the polystyrene nanospheres. As an alternative approach, water-in-toluene droplets were also adopted as confining geometries for the generation of supraballs. (C) 2009 Elsevier B.V. All rights reserved.-
dc.description.sponsorshipThis work was supported by a grant from the Creative Research Initiative Program of the Ministry of Science & Technology for “Complementary Hybridization of Optical and Fluidic Devices for Integrated Optofluidic Systems.” Dr. Young-Sang Cho acknowledges the Korea Basic Science Institute for assistances with scanning electron microscopy. Dr. Gi-Ra Yi acknowledges the support of a KBSI grant (N28073) and by small and medium business administration (S1025323).en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE BV-
dc.subjectMICROSPHERES-
dc.subjectPARTICLES-
dc.subjectFABRICATION-
dc.subjectCRYSTALLIZATION-
dc.subjectASSEMBLIES-
dc.subjectTHICKNESS-
dc.subjectCRYSTALS-
dc.subjectSURFACES-
dc.subjectPACKING-
dc.subjectSPHERES-
dc.titleSelf-organization of colloidal nanospheres inside emulsion droplets: Higher-order clusters, supraparticles, and supraballs-
dc.typeArticle-
dc.identifier.wosid000268059800035-
dc.identifier.scopusid2-s2.0-67349137083-
dc.type.rimsART-
dc.citation.volume345-
dc.citation.issue1-3-
dc.citation.beginningpage237-
dc.citation.endingpage245-
dc.citation.publicationnameCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS-
dc.identifier.doi10.1016/j.colsurfa.2009.05.014-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorKim, Shin-Hyun-
dc.contributor.localauthorYang, Seung-Man-
dc.contributor.nonIdAuthorYi, Gi-Ra-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorEmulsions-
dc.subject.keywordAuthorHigher-order clusters-
dc.subject.keywordAuthorSupraparticles-
dc.subject.keywordAuthorSupraballs-
dc.subject.keywordAuthorSelf-assembly-
dc.subject.keywordAuthorInk-jet dripping-
dc.subject.keywordPlusMICROSPHERES-
dc.subject.keywordPlusPARTICLES-
dc.subject.keywordPlusFABRICATION-
dc.subject.keywordPlusCRYSTALLIZATION-
dc.subject.keywordPlusASSEMBLIES-
dc.subject.keywordPlusTHICKNESS-
dc.subject.keywordPlusCRYSTALS-
dc.subject.keywordPlusSURFACES-
dc.subject.keywordPlusPACKING-
dc.subject.keywordPlusSPHERES-
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