Fig. 1: Oscillating Light Engine of the PP/CB actuator.
From: Oscillating light engine realized by photothermal solvent evaporation

a Schematic diagram of film as a light motor (the enlarged image is a schematic illustration of the oscillating bending actuation and mechanical analysis). b Comparison of the displacement and displacement/length ratio with those of oscillating actuators. c Comparison of the curvature and response time normalized by the thickness of the actuator with those of oscillating actuators. d Comparison of the curvature and temperature change during actuation of the actuator with those of oscillating actuators37,38,39,49,50,51,52,53.