Stark, B. ; Lach, C. ; Frey, H. ; Stühn, B. (1999)
The superstructure of carbosilane dendrimers with perfluorinated end groups in bulk and in solution.
In: Macromolecular Symposia, 146
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
Carbosilane dendrimers of generation 1 to 4 are functionalized with perfluorinated (-C6F13) end groups. Extending the spacer between the central Si and the first layer of branching points allows the synthesis of the 4(th) generation. The superstructure of these systems in bulk observed with X-ray scattering is the result of the microphase separation between the carbosilane scaffold and the end groups. It varies with generation from a layered to a columnar structure. In dilute solution only the second generation dendrimer shows a tendency for aggregation. The others form compact particles consisting of single molecules with a core shell structure.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 1999 |
| Autor(en): | Stark, B. ; Lach, C. ; Frey, H. ; Stühn, B. |
| Art des Eintrags: | Bibliographie |
| Titel: | The superstructure of carbosilane dendrimers with perfluorinated end groups in bulk and in solution. |
| Sprache: | Englisch |
| Publikationsjahr: | November 1999 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Macromolecular Symposia |
| Jahrgang/Volume einer Zeitschrift: | 146 |
| Kurzbeschreibung (Abstract): | Carbosilane dendrimers of generation 1 to 4 are functionalized with perfluorinated (-C6F13) end groups. Extending the spacer between the central Si and the first layer of branching points allows the synthesis of the 4(th) generation. The superstructure of these systems in bulk observed with X-ray scattering is the result of the microphase separation between the carbosilane scaffold and the end groups. It varies with generation from a layered to a columnar structure. In dilute solution only the second generation dendrimer shows a tendency for aggregation. The others form compact particles consisting of single molecules with a core shell structure. |
| Fachbereich(e)/-gebiet(e): | 05 Fachbereich Physik > Institut für Festkörperphysik (2021 umbenannt in Institut für Physik Kondensierter Materie (IPKM)) 05 Fachbereich Physik |
| Hinterlegungsdatum: | 27 Feb 2010 13:02 |
| Letzte Änderung: | 05 Mär 2013 09:32 |
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