Locomotions of Light-Responsive Liquid Crystalline Networks via Mechanically Induced Topological Defects
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Light responsive liquid crystalline networks (LCNs) have drawn a great attention in smart-material and soft robotic fields. Various topological defects of LCNs have been achieved by polarized light guiding command surfaces. However, polarized light guiding systems require typical photoresponsive materials, high-cost optical systems. Also, the localized irradiating light could demand in the aspect of the time for the large area patterning. In this study, we report facile construction of +1 topological defects in LCNs for large area patterning with low-cost machinery rubbing system. The light responsive LCNs with +1 topological defects were cut into various shapes to obtain dynamic locomotion. In light irradiating area, the continuous locomotions were achieved for soft robotics. This rubbing system has potential for low-cost and decrease the patterning time for large area and could also obtain locomotion of LCNs with +1 topological defects.