Table 2.
The XPS peak assigned to each functional group.
| Peak’s | Peak (eV) | Assignment |
|---|---|---|
| C1s | 285 | C=C |
| 286 | C–OH | |
| 288 | C=O | |
| O1s | 531 | O=C–OH |
| 532 | C=O | |
| 533 | C-0 | |
| 534 | C–OH | |
| B1s | 187 | B4C |
| 188 | B-Sub-C | |
| 190 | BC2O | |
| 192 | BC2O2 | |
| 193 | BCO2 |
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