Figure 4.

SEM images of (A) uncoated (bare) electrode, (B) PLL/PGE prepared with 5 cyclic scans, (C) PLL/PGE prepared with 10 cyclic scans (Magnitudes: 50 mm, 10 mm and 5 mm).

SEM images of (A) uncoated (bare) electrode, (B) PLL/PGE prepared with 5 cyclic scans, (C) PLL/PGE prepared with 10 cyclic scans (Magnitudes: 50 mm, 10 mm and 5 mm).