Table 1 Element concentrations of C, O, S, and Ag determined by XPS in surface polymer layer
From: Immobilization of silver nanoparticles on polyethylene terephthalate
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 | - |