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Electrostatically Powered Multimode Liquid Crystalline Elastomer Actuators
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DOI：10.1021/acsami.3c13140.png)
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Abstract
En 中文
Soft actuators based on liquid crystalline elastomers (LCEs) are captivating significant interest because of their unique properties combining the programmable liquid crystalline molecular order and elasticity of polymeric materials. For practical applications, the ability to perform multimodal shape changes in a single LCE actuator at a subsecond level is a bottleneck. Here, we fabricate a monodomain LCE powered by electrostatic force, which enables fast multidirectional bending, oscillation, rotation, and complex actuation with a high degree of freedom. By tuning the dielectric constant and resistivity in LCE gels, a complete cycle of oscillation and rotation only takes 0.1 s. In addition, monodomain actuators exhibit anisotropic actuation behaviors that promise a more complex deployment in a potential electromechanical system. The presented study will pave the way for electrostatically controllable isothermal manipulation for a fast and multimode soft actuator.
Keywords:
liquid crystal elastomer
multimode deformation
degree of freedom
electrostaticactuation
volumicmodulation
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8.2
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6.1W
Citations:
38.7W
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