Table 1.
Element concentrations of C, O, S, and Ag determined by XPS in surface polymer layer
|
Sample |
Element concentration (at.%) |
|||
|---|---|---|---|---|
| C(1s) | O(1s) | S(2p) | Ag(3d) | |
| PET |
72.5 |
27.5 |
- |
- |
| PET/plasma |
29.0 |
71.0 |
- |
- |
| PET/plasma/BPD |
75.4 |
18.9 |
5.7 |
- |
| PET/plasma/BPD/AgNP |
75.0 |
23.1 |
1.1 |
0.8 |
| PET/plasma/AgNP* | 77.1 | 22.5 | 0.4 | - |
Pristine (PET), PET treated by plasma (PET/plasma), PET treated by plasma and grafted with BPD (PET/plasma/BPD), PET treated by plasma and grafted with BPD and then grafted with AgNP (PET/plasma/BPD/AgNP), and PET treated by plasma and grafted with AgNP* (PET/plasma/AgNP*) 4 days after the treatment.