Research Article
Photoabsorption Enhancement in Synthetic-Natural Dye-Sensitized Solar Cells Using Bilayer TiO2 Deposition and Separated Sensitization
Figure 5
The FESEM image of (a) HT, (b) LT1, (c) LT2, and (d) LT3, in three resolutions.
| (a) |
| (b) |
| (c) |
| (d) |