Table 2 XPS results for silicas modified with polymethylphenylsiloxane
From: Modified silicas with different structure of grafted methylphenylsiloxane layer
Sample | Peak | Binding energy, eV | Concentration | Sample | Peak | Binding energy, eV | Concentration | ||
|---|---|---|---|---|---|---|---|---|---|
at % | wt % | at % | wt % | ||||||
1 | C1s | 284.0 | 17.3 | 10.5 | 4 | C1s | 285.0 | 18.4 | 11.2 |
O1s | 532.5 | 45.0 | 36.3 | O1s | 533.0 | 44.1 | 35.7 | ||
Si2p | 103.5 | 37.7 | 53.2 | Si2p | 103.5 | 37.5 | 53.2 | ||
2 | C1s | 284.5 | 18.4 | 11.2 | 5 | C1s | 284.0 | 18.1 | 10.9 |
O1s | 532.5 | 44.9 | 36.4 | O1s | 532.5 | 44.5 | 36.0 | ||
Si2p | 103.5 | 36.7 | 52.4 | Si2p | 103.5 | 37.4 | 53.1 | ||
3 | C1s | 284.0 | 14.9 | 8.9 | 6 | C1s | 284.5 | 18.1 | 11.0 |
O1s | 533.0 | 47.0 | 37.6 | O1s | 532.5 | 44.9 | 36.3 | ||
Si2p | 103.5 | 38.0 | 53.4 | Si2p | 103.5 | 37.1 | 52.7 | ||