Table 2.
Atomic concentration (%) of samples measured by XPS.
| Group | Ti | O | C | K | F | N |
|---|---|---|---|---|---|---|
| TiO | 20.36 | 55.66 | 23.62 | 0.36 | — | — |
| F-TiO | 14.31 | 43.15 | 39.09 | 0.77 | 0.45 | 1.33 |
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