Fig. 1. Schematic illustration of a fabrication process of light/voltage-controlled SLIPS surface. (a) Drop-coating G@PVDF on a glass substrate; (b) Laser processing G@PVDF film; (c) Thermal spin-coating paraffin wax; (d) The "pinned " state of droplet without light; (e) The "slippery" state of the surface with light irradiation; (f) The "slippery" state of the surface with the voltage on

Fig. 2. Confocal laser scanning microscopy (CLSM) images of the surface and three-dimensional topography before and after laser processing. G@PVDF film (a) surface, (b) three-dimensional topography, (c) section height; (d) The surface, (e) the three-dimensional morphology and (f) the section height of the structured G@PVDF film(P-1200 mW);(g) The surface of , (h) the three-dimensional morphology and the section height of the structured G@PVDF film(P-1800 mW); (j) The surface, (k) the three-dimensional morphology and (l) the section height of the structured G@PVDF film(P-2400 mW); (m) The surface, (n) the section height and (o) the section height of the structured G@PVDF film after paraffin infusion

Fig. 3. SEM image. (a) G@PVDF; (b) Structured G@PVDF(P-1800 mW); (c) Paraffin infused surface

Fig. 4. Absorption of PVDF film and structured G@PVDF film(T-100 μm，T-200 μm，T-300 μm)

Fig. 5. Infrared photothermal images of PVDF and structured G@PVDF. (a) Optical photo of PVDF and structured G@PVDF; (b) 0 s, (c) 5 s, and (d) 230 s photothermal contrast image with the light irradiation

Fig. 6. The test of wettability. The contact angles of (a) G@PVDF; (b) Structured G@PVDF; (c) Paraffin-infused structured G@PVDF surface after thermal-spin-coating; (d) Paraffin-infused structured G@PVDF under light irradiation; (e) Paraffin-infused structured G@PVDF under voltage on

Fig. 7. Display of light/voltage-controlled SLIPS. (a) The milk droplet is "pinned" on the surface when the light is off; (b) The light is on; (c) The milk droplet slides to the center; (d) The milk droplet slides to the bottom; (e) Voltage on; (f) The droplet slides to the center; (g) The droplet slides to the bottom