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Anistropic hole formation in thin polymer films confined by walls

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Authors
Suh, K. Y.; Lee, Hong H.
Issue Date
2001-11-01
Publisher
American Institute of Physics
Citation
J. Chem. Phys. 115, 8204 (2001)
Keywords
SURFACES
Abstract
We report dewetting behavior of thermally annealed thin polymer strips of poly (styrene-b-butadiene-b-styrene) and polystyrene films that are laterally confined by polydimethylsiloxane walls on silicon substrate. Regularly spaced holes are initially nucleated on the polymer surface and then grow with the aid of the confining walls, resulting in the formation of distinctly observable, regularly spaced blocks of the strip. It is observed that the dependence of hole density on the film thickness severely deviates from the conventional capillary wave model. This anomaly may be related to the viscoleastic properties of the polymer film. (C) 2001 American Institute of Physics.
ISSN
0021-9606
Language
English
URI
http://hdl.handle.net/10371/6228
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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