Effect of Multilayers CdS Nanocrystalline Thin Films on the Performance of Dye-Sensitized Solar Cells

Figure 3

FE-SEM image of (a) CdS (1 layer)/MB, (b) porous CdS (2 layer)/MB, and (c) porous nanowall CdS (3 layer)/MB.

(a)

(b)

(c)