Fig. 2
From: Removal of Antibiotics From Water with an All-Carbon 3D Nanofiltration Membrane
Optical images of PDDA-MWCNTs/GO membrane (a), the flexibility of the membrane (b), and the stability of membrane in water (c). Membrane which had been filtrated for more than 8 cycles (d). e SEM images of cross-sections of the PDDA-MWCNTs/GO membrane (thickness 4.26 μm). The inset shows a higher magnification image of the PDDA-MWCNTs/GO membrane. f TEM images of the ;PDDA-MWCNTs/GO membrane