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Main characteristics of TiO2 nanoparticles P25 and OCTi60.
| Anatase/rutile | Diameter (nm) (TEM) | Diameter (nm) (BET) | Diameter in water Z average | Z-potential in water (mV) | Diameter in medium Z average | Z-potential in medium (mV) | |
|---|---|---|---|---|---|---|---|
| P25 | 85/15 | 23 | 25 (60 m2/g) | 140 | +1 | 220 | −8 to −12 |
| OCTi60 | 90/10 | 10 | 16 (95 m2/g) | 70 | −6 | 170 | −9 to −12 |
