Table 1 Peak positions observed in XPS spectra for different Ag doping content in ZnO NPs.
From: High-performance hydrogen gas sensor based on Ag-incorporated ZnO nanoparticles
Element | ZnO | ZnO@Ag2% | ZnO@Ag4% | ZnO@Ag6% | ZnO@Ag8% |
|---|---|---|---|---|---|
Zn 2p (eV) | 1021.52 | 1021.58 | 1021.70 | 1021.90 | 1021.80 |
1044.61 | 1044.67 | 1044.79 | 1044.97 | 1044.88 | |
O 1s (eV) | 530.18 | 530.22 | 530.36 | 530.56 | 530.44 |
531.56 | 531.55 | 531.77 | 531.97 | 531.79 | |
Ag 3d (eV) | – | 367.61 | 367.75 | 367.86 | 367.81 |
373.63 | 373.75 | 373.84 | 373.78 |
