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Combined Emulsion and Solvent Evaporation (ESE) Synthesis Route to Well-Ordered Mesoporous Materials
YKI, Institute for Surface Chemistry, Stockholm, Sweden.
YKI, Institute for Surface Chemistry, Stockholm, Sweden.
YKI, Institute for Surface Chemistry, Stockholm, Sweden.ORCID-id: 0000-0002-7461-2232
YKI, Institute for Surface Chemistry, Stockholm, Sweden.
2007 (Engelska)Ingår i: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 23, nr 3, s. 1459-1464Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Control over morphol. and internal mesostructure of surfactant templated silicas remains a challenge, esp. when considering scaling lab. syntheses up to industrial vols. Here we report a method combining emulsification with the evapn.-induced self-assembly (EISA) method for prepg. spherical, mesoporous silica particles. This emulsion and solvent evapn. (ESE) method has several potential advantages over classic pptn. routes: it is easily scaled while providing superior control over stoichiometric homogeneity of templating surfactants and inorg. precursors, and particle sizes and distributions are detd. by principles developed for manipulating droplet sizes within water-in-oil emulsions. To demonstrate the method, triblock copolymer P104 is used as a templating amphiphile, generating unusually well-ordered 2D hexagonal (P6mm) mesoporous silica, while particle sizes and morphologies were controlled by varying the type of emulsifier and the method for emulsification. [on SciFinder(R)]

Ort, förlag, år, upplaga, sidor
2007. Vol. 23, nr 3, s. 1459-1464
Nyckelord [en]
emulsion evapn self assembly mesoporous silica
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URN: urn:nbn:se:kth:diva-78157DOI: 10.1021/la0622267ISI: 000243684100079PubMedID: 17241073Scopus ID: 2-s2.0-33847213937OAI: oai:DiVA.org:kth-78157DiVA, id: diva2:497380
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CAPLUS AN 2006:1299499(Journal). QC 20120228Tillgänglig från: 2012-02-10 Skapad: 2012-02-07 Senast uppdaterad: 2022-10-24Bibliografiskt granskad

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