Fig. 2: Hydrophilic treatment, surface morphology and wettability of the porous interface mechanical structure in the mechanical self-adaptive porous valve. | Nature Communications

Fig. 2: Hydrophilic treatment, surface morphology and wettability of the porous interface mechanical structure in the mechanical self-adaptive porous valve.

From: Mechanical self-adaptive porous valve relying on surface tension for energy harvesting from low-flux bubbles

Fig. 2: Hydrophilic treatment, surface morphology and wettability of the porous interface mechanical structure in the mechanical self-adaptive porous valve.

a Surface elemental energy spectrum of the porous plate before the hydrophilic treatment (Wt% represents weight percentage). b Scanning electron microscope (SEM) image of the porous plate before the hydrophilic treatment. c SEM image of the porous plate after the hydrophilic treatment. d Surface elemental energy spectrum diagram of the porous plate after the hydrophilic treatment. e Contact angle of seawater on the surface of the porous plate before the hydrophilic treatment. f Schematic diagram of the hydrophilic treatment process. g Contact angle of seawater on the surface of the porous plate after the hydrophilic treatment.

Back to article page