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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la903872a
|2 doi
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|a eng
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| 100 |
1 |
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|a Fischer, Birgit
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Highly charged inorganic-organic colloidal core-shell particles
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 02.08.2010
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|a Date Revised 27.04.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Highly defined, hybrid inorganic-organic colloidal core-shell particles consisting of a silica core and a shell of fluorinated acrylate are prepared in a two-step route. The core-shell structure of the particles is investigated by means of small-angle X-ray scattering (SAXS). Because of highly acidic sulfonic acid surface groups resulting from the radical initiator sodium peroxodisulfate at the organic shell, long-range electrostatic interactions lead to the formation of liquidlike mesostructures. Increasing the effective interaction by reducing the next-neighbor distances induces a freezing of the liquidlike structures, i.e., a transition to crystalline and glassy structures. Because of the high electron density in the core and the fluorinated polymer shell, these particles are strong X-ray scatterers. In combination with the large number of effective charges and the outstanding monodispersity, these core-shell particles are a promising model system for the investigation of the glass transition by photon correlation spectroscopy employing coherent X-rays
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|a Journal Article
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| 700 |
1 |
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|a Autenrieth, Tina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wagner, Joachim
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 9 vom: 04. Mai, Seite 6201-5
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|x 1520-5827
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