TU Darmstadt / ULB / TUbiblio

Form fluctuations of carbosilane dendrimers in dilute solution: a study using neutron spin echo spectroscopy

Stark, B. and Lach, C. and Farago, B. and Frey, H. and Schlenk, C. and Stühn, B. (2003):
Form fluctuations of carbosilane dendrimers in dilute solution: a study using neutron spin echo spectroscopy.
In: Colloid and Polymer Science, 281 (7), pp. 593-600, [Article]

Abstract

A series of carbosilane dendrimers with perfluorinated end groups has been prepared. The structure of these molecules in dilute solution is studied using small angle neutron scattering. For generations g<3 we find a non-spherical shape of the particles and a tendency for aggregation. This result is supported by the analysis of the diffusion coefficient obtained from photon correlation spectroscopy. The overall shape of the molecules is that of a core-shell particle. The generation 4 molecule is obtained as a compact sphere. Neutron spin echo spectroscopy reveals a relaxation time which is attributed to the form fluctuations of this particle.

Item Type: Article
Erschienen: 2003
Creators: Stark, B. and Lach, C. and Farago, B. and Frey, H. and Schlenk, C. and Stühn, B.
Title: Form fluctuations of carbosilane dendrimers in dilute solution: a study using neutron spin echo spectroscopy
Language: English
Abstract:

A series of carbosilane dendrimers with perfluorinated end groups has been prepared. The structure of these molecules in dilute solution is studied using small angle neutron scattering. For generations g<3 we find a non-spherical shape of the particles and a tendency for aggregation. This result is supported by the analysis of the diffusion coefficient obtained from photon correlation spectroscopy. The overall shape of the molecules is that of a core-shell particle. The generation 4 molecule is obtained as a compact sphere. Neutron spin echo spectroscopy reveals a relaxation time which is attributed to the form fluctuations of this particle.

Journal or Publication Title: Colloid and Polymer Science
Volume: 281
Number: 7
Divisions: 05 Department of Physics > Institute for condensed matter physics
05 Department of Physics
Date Deposited: 27 Feb 2010 13:23
Identification Number: doi:10.1007/s00396-002-0812-y
Related URLs:
Export:
Suche nach Titel in: TUfind oder in Google
Send an inquiry Send an inquiry

Options (only for editors)

View Item View Item