4D Printed Actuators with Soft‐Robotic Functions

Soft matter elements undergoing programed, reversible shape change can contribute to fundamental advance in areas such as optics, medicine, microfluidics, and robotics. Crosslinked liquid crystalline polymers have demonstrated huge potential to implement soft responsive elements; however, the complexity and size of the actuators are limited by the current dominant thin‐film geometry processing toolbox. Using 3D printing, stimuli‐responsive...