Electrodeposition and Low-Temperature Post-Treatment of Nanocrystalline SnO₂ Films for Flexible Dye-Sensitized Solar Cells

Figure 2

FE-SEM of the electrodeposited SnO₂ films obtained at different conditions, (a) pure water vapour treatment, (b) HNO₃ treatment, (c) UV-treatment, and (d) calcined at 550°C.

(a)

(b)

(c)

(d)