Liquid crystal alignment on polymer line gratings

Title
Liquid crystal alignment on polymer line gratings
Authors
Walter Schenck고두현Edward Samulski
Issue Date
2011-03
Publisher
Journal of applied physics
Citation
VOL 109, NO 6, 064301-1-064301-5
Abstract
Liquid crystal alignment on polymer line gratings fabricated by a soft lithography embossing process derived from PRINTTM (Pattern Replication In Nonwetting Template) is influenced by mold removal (peel-off direction). This indicates the existence of two competing alignment mechanisms: (1) topography (i.e., the Beremann mechanism) and (2) surface modification during peel-off. The degree to which mold removal influenced liquid crystal alignment was found to be dependent on the primary structures of the embossed polymer, and the chemical composition of the mold. These findings suggest alternate ways to affect liquid crystal alignment in roll-to-roll manufacturing.
URI
http://pubs.kist.re.kr/handle/201004/47982
ISSN
00218979
Appears in Collections:
KIST Publication > Article
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