O content and binding energy of Ti 2p state for TNTs and Cu2O/TNTs samples.
| Sample | Ti–OH | TiO2 | ||
|---|---|---|---|---|
| BE (eV) | O content (%) | BE (eV) | O content (%) | |
| TNTs | 532.5 | 48.8 | 530.3 | 51.2 |
| Cu2O/TNTs | 532.6 | 60.9 | 530.1 | 39.1 |
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