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Fraction of oxidation states of Ti as well as surface composition of selected defected TBT-HIO3_20_T photocatalysts determined by X-ray photoelectron spectroscopy (XPS).
| Photocatalyst | Ti 2p3/2 (%) | O 1s (%) | |
|---|---|---|---|
| Ti4+ | Ti3+ | ||
| TBT-HIO3_20_300 | 27.56 | 0.9 | 71.54 |
| TBT-HIO3_20_400 | 27.99 | 0 | 72.01 |
| TBT-HIO3_20_450 | 28.43 | 0 | 71.58 |
