Guided Folding of Nematic Liquid Crystal Elastomer Sheets into 3D via Patterned 1D Microchannels.
basic_science · Level V
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- Record sourced from PubMed, PMID 27717070.
- Also identified by DOI 10.1002/adma.201603751.
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Abstract
Two-dimensional liquid-crystal elastomer (LCE) sheets with preprogrammed topological defects are prepared by aligning liquid-crystal monomers within micropatterned epoxy channels, followed by photopolymerization. Upon heating, the LCE films form various three-dimensional structures in agreement with theoretical design. The miniaturized LCE actuators offer large-area work capacities (≈1.05 J m<sup>-2</sup> ) to lift over 700 times their own weight.