Improved Performance for Dye-Sensitized Solar Cells Using a Compact TiO₂ Layer Grown by Sputtering

Figure 8

The SEM images of (a) sputtered TiO₂ compact layer on FTO/glass (sample number 8), (b) porous TiO₂ on TiO₂ compact layers/FTO/glass, produced using the sol-gel with spin coating method and (c) porous TiO₂ on compact TiO₂ layers/FTO/glass, produced using the sol-gel with blade coating method.

(a)

(b)

(c)