Preparation and Characterization of Self-Assembled Manganese Dioxide Thin Films

Figure 1

FESEM micrographs of self-assembled MnO₂ thin films deposited on Ni/PET substrates at various submersion durations (a) 1 min, (b) 10 min, (c) 30 min, and (d) 60 min.

(a)

(b)

(c)

(d)