Table 3.
Surface composition of bare and modified samples determined by XPS analysis of oxygen, titanium, carbon, metals for various samples.
| Samples | Content (at. %) |
Ratio |
Metal content (wt. %) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ti | O | C | Au | Ag | Cu | O/Ti | C/Ti | Au | Ag | Cu | |
| OAP | 5.3 | 27.8 | 66.9 | – | – | – | 5.2 | 12.6 | – | – | – |
| Au/OAP | 9.5 | 31.6 | 58.7 | 0.17 | – | – | 3.3 | 6.2 | 4.4 | – | – |
| Ag/OAP | 19.5 | 40.5 | 39.0 | – | 0.97 | – | 2.1 | 2.0 | – | 6.7 | – |
| Cu/OAP | 12.2 | 33.9 | 53.3 | – | – | 0.62 | 2.8 | 4.4 | – | – | 4.0 |
| DAP | 3.4 | 26.2 | 70.4 | – | – | – | 7.7 | 20.7 | – | – | – |
| Au/DAP | 4.0 | 26.6 | 69.4 | 0.06 | – | – | 6.7 | 17.4 | 3.7 | – | – |
| Ag/DAP | 6.5 | 27.9 | 64.9 | – | 0.76 | – | 4.3 | 10.0 | – | 15.8 | – |
| Cu/DAP | 3.6 | 26.2 | 69.6 | – | – | 0.59 | 7.3 | 19.3 | – | – | 13.0 |