Preparation and Characterization of Self-Assembled Manganese Dioxide Thin Films

Figure 4

FESEM micrographs of MnO₂ thin films on Ni-coated PET films at deposition duration of (a) 1 min, before, (b) 1 min, after, and (c) 60 min, before, (d) 60 min, after calcination at 200°C in air for 1 hour.

(a)

(b)

(c)

(d)