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- W4362698049 abstract "Abstract Future robotic systems will have to adapt their operation to dynamic environments and therefore their development will require the use of active soft components. Bioinspired approaches toward novel actuation materials for active components rely on integrating molecular machines in soft matter, and ensuring that their nanoscale movement is amplified to the macroscale, where mechanically relevant motion is generated. This approach is successfully used in the design of photoresponsive soft springs and other mechanically active materials. Here, this study reports on a new approach where the operation of photoswitches and chiral liquid crystals are combined with an original and mask‐free microscopic patterning method to generate helix‐based movement at the macroscale, including light‐driven winding and unwinding accompanied with inversion of handedness. The microscopic patterning is the result of the unique organization of cholesteric liquid crystals under weak electric field. At a higher level, the pitch and the handedness of the active springs are defined by the imprinted pattern and the angle at which the spring ribbons are cut in the material. These findings are likely to enable soft and responsive robotic systems, and they show how transmission of molecular operation into macroscale functional movement is enabled by materials design across multiple hierarchical levels." @default.
- W4362698049 created "2023-04-09" @default.
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- W4362698049 date "2023-04-07" @default.
- W4362698049 modified "2023-09-25" @default.
- W4362698049 title "Light‐Responsive Springs from Electropatterned Liquid Crystal Polymer Networks" @default.
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- W4362698049 doi "https://doi.org/10.1002/adom.202300358" @default.
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