Fig. 8: Mechanically guided self-assembly technology.
a Details of a nanoscale 3D fabrication method based on pre-stretched substrates144. b Schematic diagram of the assembly process of a 3D piezoresistive flow sensor on the inner surface of a cylindrical tube141. c Schematic of 3D structures fabricated by self-assembly based on soft electrothermal actuators131. d Flower-like structures fabricated by soft electrothermal actuators131. Scale bar: 1 cm. e Schematic diagram of reversible self-assembled 3D structure by temperature regulation145. f Photograph of reversible shape transformation by temperature regulation145. g Schematic of 3D structures fabricated by self-assembly based on light-driven soft actuators130. Flower-like structure (h) and windmill-like structure (i) fabricated by light-driven soft actuators130. Scale bar: 0.5 cm (h) and (i).
