Research Article
Photoabsorption Enhancement in Synthetic-Natural Dye-Sensitized Solar Cells Using Bilayer TiO2 Deposition and Separated Sensitization
Table 1
The sensitization methods and the synthesis conditions of fabricated solar cells.
| | Cell type and code | Cosensitization method | Special condition of each type |
| | Type 1 | Cocktail | The ratio of synthetic dye to each of the natural dyes | | MDSSC1 | 4 : 1 | | MDSSC2 | 2 : 1 | | MDSSC3 | 1 : 1 | | Type 2 | Sequential | Sensitization steps | | SDSSC1 | Step 1: natural dyes step 2: synthetic dye | | SDSSC2 | Step 1: synthetic dye step 2: natural dyes | | Type 3 | Separated (bilayer) | Photoanode code | HCL concentration (M) | Annealing temperature (°C) | | BLDSSC1 | HT | 0.25 | 450 | | BLDSSC2 | LT1 | 1 | 120 | | BLDSSC3 | LT2 | 0.5 | 120 | | BLDSSC4 | LT3 | 0.25 | 120 |
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