Perfluoropolymer surface for shock-free homeotropic alignment of smectic liquid crystals
Perfluoropolymer surface for shock-free homeotropic alignment of smectic liquid crystals
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Date
2010-01-05
Authors
Jeong, Soon Moon
Kim, Jin Ki
Shimbo, Yoshio
Araoka, Fumito
Dhara, Surajit
Ha, Na Young
Ishikawa, Ken
Takezoe, Hideo
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Abstract
Perfect homeotropic alignment of smectic liquid crystals Is demonstrated using an amorphous perfluoropolymer as an alignment layer (see figure). The hydrophobic surface of the perfluoropolymer allows rapid recovery to the homeotropic orientation from the damaged layer structure caused by mechanical shock-for example pressing with tweezers-or crystallization. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA.
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Advanced Materials. v.22(1)