Fig. 4: Conformal colloidal aerogels on conductive microsurfaces via EM strategy. | Nature Communications

Fig. 4: Conformal colloidal aerogels on conductive microsurfaces via EM strategy.

From: Electro-manipulating of negative-charged aramid nanofibers towards micro-to-macro scale colloidal aerogel films

Fig. 4

a Schematic diagram on fabrication of ANF aerogel on the conductive microsurfaces. a1, a2 aerogel on the surface of fine stainless steel needle. a3, a4 aerogel on the microporous surface. a5, a6 aerogel on the surface with micro patterns. ANF: aramid nanofiber. b Photo and POM images of the colloidal aerogels on stainless steel mesh. c SEM images of conformal colloidal aerogel meshes with different pore sizes. d Application illustration of aerogel mesh for self-replenishing liquid separation. e Application demonstration of oil-water separation by aerogel mesh.

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