Table 1.
Peak location and atomic percent for each element in the composite NiS-NiO/G-C3N4 calculated from XPS analysis.
| Element | Peak Location (eV) | Atomic % |
|---|---|---|
| O1s | 534.6 | 37.67 |
| Ni2p | 858.9 | 6.42 |
| N1s | 402.6 | 13.29 |
| C1s | 288.6 | 32.14 |
| S2p | 167.2 | 10.48 |
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