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Preparation of Long-Alkane Monola Yers Adsorbed On Exfoliated Graphite For Neutron Diffraction Studies

Published online by Cambridge University Press:  22 February 2011

K. W. Herwig ,
B. Matthies  and
H. Taub
K. W. Herwig
Affiliation:
Missouri University Research Reactor and Department of Physics and Astronomy, University of Missouri-Columbia, Columbia, MO 65211
B. Matthies
Affiliation:
Missouri University Research Reactor and Department of Physics and Astronomy, University of Missouri-Columbia, Columbia, MO 65211
H. Taub
Affiliation:
Missouri University Research Reactor and Department of Physics and Astronomy, University of Missouri-Columbia, Columbia, MO 65211
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Abstract

A classic problem in polymer science is the preferential adsorption at a solid interface of one polymer species from a multi-component fluid mixture. Prototype systems for studying this selective adsorption process are solutions consisting of alkane molecules of two different lengths in the presence of a solid interface. Before neutron diffraction could be used to probe structural questions related to the selective adsorption process in such systems, a significant effort was required to develop methods for fabricating suitable samples. We describe techniques for preparing samples of long-alkane monolayers adsorbed on exfoliated graphite by adsorption from solution and by deposition from the vapor phase.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 376: Symposium BB – Neutron Scattering in Materials Science , 1994 , 757
Copyright
Copyright © Materials Research Society 1995

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References

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