Chemical Nanopatterns via Nanoimprint Lithography for Simultaneous Control over Azimuthal and Polar Alignment of Liquid Crystals

Chemical nanopatterns down to 50 nm in feature size have been fabricated via nanoimprint lithography and used to simultaneously control azimuthal and polar orientation of liquid crystals (LCs). The polar orientation depends on the ratio of the homeotropic/planar surface potential areas, while the LC...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2005-06, Vol.17 (11), p.1398-1401
Main Authors: Park, S., Padeste, C., Schift, H., Gobrecht, J., Scharf, T.
Format: Article
Language:English
Subjects:
Liquid crystals
Lithography
Lithography, nanoimprint
nanoimprint
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Summary:Chemical nanopatterns down to 50 nm in feature size have been fabricated via nanoimprint lithography and used to simultaneously control azimuthal and polar orientation of liquid crystals (LCs). The polar orientation depends on the ratio of the homeotropic/planar surface potential areas, while the LC azimuthally orients along the direction of the silane patterns (see Figure).
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200400989