Figure 2

(a1–a4) Photograph of original CF, PT@CF, LC@CF and LCPT@CF membranes. (b1–b4) Top-view SEM images of original CF, PT@CF, LC@CF and LCPT@CF membranes. (c1–c4) Cross-sectional SEM images of original CF, PT@CF, LC@CF and LCPT@CF membranes.

(a1–a4) Photograph of original CF, PT@CF, LC@CF and LCPT@CF membranes. (b1–b4) Top-view SEM images of original CF, PT@CF, LC@CF and LCPT@CF membranes. (c1–c4) Cross-sectional SEM images of original CF, PT@CF, LC@CF and LCPT@CF membranes.