Table 4.
Immersion time | Binding energy (eV) | Peak assignment | Relative concentration (%) |
---|---|---|---|
| |||
Day 0 | 398.1 | C-N | 17.87 |
399.7 | C=N | 55.78 | |
401.3 | C-O-N=O | 26.34 | |
| |||
Week 2 | 398.3 | C-N | 17.00 |
399.7 | C=N | 64.36 | |
401.8 | C-O-N=O | 18.64 | |
| |||
Week 12 | 396.9 | C-N | 25.27 |
398.7 | C=N | 56.62 | |
400.8 | C-O-N=O | 18.11 |