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Relative phase composition and crystallite diameters determined by Rietveld method for samples 1–8 and P25.
| Samples | % anatase | % rutile | % brookite | Anatase/Rutile/Brookite average crystallite diameter (nm) |
|---|---|---|---|---|
| 1 | 70 | 30 | - | 20.6/22.0 |
| 2 | 64 | 36 | - | 18.3/18.5 |
| 3 | 97 | 3 | - | 18.1/15.9 |
| 4 | 91 | 9 | - | 18.8/12.7 |
| 5 | 65 | 21 | 14 | 18.5/19.6/8.3 |
| 6 | 70 | 19 | 11 | 19.0/15.0/8.6 |
| 7 | 43 | 32 | 25 | 20.6/23.8/20.1 |
| 8 | 36 | 61 | 3 | 21.0/23.0/13.0 |
| P25 | 83 | 17 | - | 35.0/52.5 |
