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Nanopatterned polymer structures for H-PDLCs
Conference proceeding   Open access

Nanopatterned polymer structures for H-PDLCs

Adam K Fontecchio and Hemang J Shah
Proceedings of SPIE, v 5223(1)
08 Dec 2003
url
https://europepmc.org/articles/pmc2533635View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Holographically-formed Polymer Dispersed Liquid Crystals (H-PDLCs) are electro-optic devices containing alternating planar layers of polymer and liquid crystal droplets. Here, we investigate the effects of patterned polymer layers on the liquid crystal alignment. Three types of polymers were investigated: urethane resin, Poly Tetra Fluoro Ethylene (PTFE) and Poly Methyl Methacrylate (PMMA). Nanopatterns of the form of square grids were formed on the polymer using the MTS Nano-Indenter in the scratch mode. Liquid crystal deposition on these structures showed unique alignment effects at the polymer interface. The polymers were examined under the Atomic Force Microscope and alignment of the liquid crystals was observed by Polarizing Optical Microscopy.

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Web of Science research areas
Chemistry, Physical
Materials Science, Multidisciplinary
Physics, Condensed Matter
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