▎ 摘　　要

(CN217265520-U) NOVELTY - The utility model claims a flexible composite anti-icing film, relating to the technical field of anti-de-icing, comprising a photo-thermal hydrophobic layer, the photo-thermal hydrophobic layer comprises a graphene nano-wall layer and a gold nano-particle layer, the gold nano-particle layer is located on the upper surface or the lower surface of the graphene nano-wall layer. through the combination of graphene nano wall layer and gold nano-particle layer, which can further improve the photo-thermal effect of the graphene nano-wall itself, the obtained photo-thermal hydrophobic layer has high photo-thermal conversion efficiency, effectively reaches the effect of anti-icing and removing water, The photo-thermal hydrophobic layer of the structure is provided with a convex structure, on the basis of anti-abrasion, protecting the structure, it further can further improve the light limiting effect of the structure and improve the photo-thermal efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing flexible photo thermal super-hydrophobic composite anti-icing film comprising preparing two-dimensional or three-dimensional structure on the surface of the silicon substrate, preparing photo-thermal hydrophobic layer on the surface of two-dimensional or three-dimensional structure, spin-coating the poly (methyl methacrylate solution onto the surface of the photo-thermal hydrophobic layer, heating for 10 minutes, completely cooling to obtain composite anti-icing film and tearing off the composite anti-icing film from the surface of the silicon substrate and transferring to the target substrate, where the preparation of the photo-thermal hydrophobic layer comprises depositing, sputtering the metal nanoparticle layer with a thickness of 2-8 nm on the surface of the two-dimensional or three-dimensional structure, preparing the graphene nano wall layer on the surface of the metal nanoparticle layer, preparing the graphene nano wall layer on the surface of the two-dimensional or three-dimensional structure, depositing, sputtering the metal nanoparticle layer with a thickness of 2-8 nm on the surface of the graphene nano-wall layer or depositing, sputtering the metal nanoparticle layer on the surface of the two-dimensional or three-dimensional structure, preparing the graphene nano-wall layer on the surface of the metal nanoparticle layer, depositing and sputtering the metal nanoparticle layer on the surface of the graphene nano-wall layer. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the flexible photo thermal super-hydrophobic composite anti-icing film. 3Graphene nano wall layer 4Metal nanoparticle layer