Table 1.
Atomic concentrations of C (1s), O (1s), S (2s) and Au (4f)
| Sample | Atomic concentrations of elements in at. % | |||
|---|---|---|---|---|
| Oxygen | Carbon | Sulphur | Gold | |
| PET (theory) | 28.6 | 71.4 | - | - |
| Pristine PET [17] | 2.4 | 91.6 | - | - |
| PET/plasma | 37.8 | 62.2 | - | - |
| PET/plasma/ED | 34.9 | 63.1 | 1.2 | - |
| PET/plasma/BFD | 31.5 | 67.1 | 1.4 | - |
| PET/plasma/ED/Au | 20.3 | 79.0 | 0.7 | - |
| PET/plasma/BFD/Au | 22.3 | 76.7 | 0.7 | 0.3 |
Atomic concentrations of C (1s), O (1s), S (2s) and Au (4f) in pristine PET (theory and present experiment [17]), plasma-treated sample (sample was measured 170 h after the plasma treatment), plasma treated + grafted in solution of (1) 1, 2-ethanedithiol (ED) or (2) biphenyl-4, 4'-dithiol (BFD) and (3) PET plasma treated + then grafted in ED or BFD + in gold nanoparticles respectively.