Figure 3.
Characterization of the GO and AGO membrane surfaces. (a) Average (Ra, gray boxes and dots) and root mean squared (Rq, red boxes and dots) surface roughness values for the unmodified GO, AGO (Al2O3), AGO (AlCl3), and AGO (Al foil) membranes. (b) Contact angle measurements of water on the corresponding membranes. The values reported are from 10 trials.