Table 2.
The XPS analysis of N-rGO with each peak allocated to the specific functional group.
| Peaks | Peak (eV) | Assignment |
|---|---|---|
| C 1s | 284.2 | C=C |
| 285.5 | C–OH | |
| 289.1 | C=O | |
| O 1s | 532.2 | C=O |
| 533.6 | C–O | |
| 535.8 | C–OH | |
| N 1s | 398.1 | Pyridinic-N |
| 400.3 | Pyrrolic-N |
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