Table III.
Grafting rates (NG: nongrafted films; G: grafted films; GR: grafting rate; XPS: x-ray photoelectron analysis).
| Films | GR (μmol/g) | XPS atomic concentration (%) | |||||
|---|---|---|---|---|---|---|---|
| C 1s | O 1s | S 2p | Na 1s | Si 2p | Others | ||
| PC60 (NG) | 0.7 ± 0.3 | 72.1 ± 0.9 | 22.7 ± 0.9 | — | — | 3.4 ± 0.1 | trace N 1s. F 1 s. Sn 3d5 |
| PC60 (G) | 10.5 ± 0.1 | 61.4 ± 0.7 | 29.6 ± 0.8 | 1.8 ± 0.1 | 0.9 ± 0.1 | 1.5 ± 0.4 | trace Mg 2s. Sn 3d5 |
| PC12 (NG) | 0.9 ± 0.3 | 74.4 ± 0.7 | 24.2 ± 0.3 | — | — | 1.1 ± 0.3 | trace F 1s |
| PC12 (G) | 6.8 ± 1.9 | 56.2 ± 1.2 | 31.7 ± 0.3 | 1.6 ± 0.1 | 0.7 ± 0.1 | 2.1 ± 0.1 | trace Al 2s. Mg 2s |