Research Article
Preparation of Smooth Surface TiO2 Photoanode for High Energy Conversion Efficiency in Dye-Sensitized Solar Cells
Table 1
Crystallite size, particle size, and specific surface area of various TiO2 nanoparticles.
| | Sample | Crystallite size (nm) *film | Particle size (nm) (before sintering) TEM | Particle size (nm) (after sintering) TEM | BET (m2/g) (before sintering) | BET (m2/g) (after sintering) |
| | TiO2-NP | 20 | 20 (NS) | 35 | 108.5 | 82.3 | | P-25 | 21 (anatase)
70 (rutile) | 35 | 42 | 51.6 | 51.3 | | ST-01 | 7 | 5 | 27 | 247.9 | 99.5 | | ST-21 | 21 | 27 | 39 | 65.1 | 58.6 |
|
|
Represents for film, NS indicates for TiO2 nanosol.
|
