Isotropic "Islands" in a Cholesteric "Sea": Patterned Thermal Expansion for Responsive Surface Topologies

A method to capture ordered and disordered regions in reactive mesogen films to take advantage of the anisotropic thermal properties and fabricate a thermally responsive patterned film is presented. The image shows white‐light interferometer images of isotropic cylinders in cholesteric material. The...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2006-07, Vol.18 (14), p.1842-1845
Main Authors: Sousa, M. E., Broer, D. J., Bastiaansen, C. W. M., Freund, L. B., Crawford, G. P.
Format: Article
Language:English
Subjects:
cholesteric
Liquid crystals
Liquid crystals, cholesteric
Photopolymerization
Template-directed synthesis
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Summary:A method to capture ordered and disordered regions in reactive mesogen films to take advantage of the anisotropic thermal properties and fabricate a thermally responsive patterned film is presented. The image shows white‐light interferometer images of isotropic cylinders in cholesteric material. The underlying principle phenomenon observed here is well described by a finite‐element simulation.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200502733