Sample | O1s (%) | N1s (%) | C1s (%) | Si2p (%) | O/C | Si/C |
Pristine silica | 70.0 | 0 | 1.5 | 28.6 | 47.9 | 19.6 |
Silica-vinyl | 63.2 | 0 | 9.6 | 27.2 | 6.6 | 2.8 |