XPS results of RGO-CPCs.
Bonds | No RGO | 0.1% RGO | ||||
---|---|---|---|---|---|---|
Peak BE (eV) | FWHM (eV) | At. % | Peak BE (eV) | FWHM (eV) | At. % | |
C–C | 284.47 | 1.85 | 38.24 | 284.51 | 1.74 | 26.21 |
C–O | 286.35 | 1.85 | 5.72 | 285.89 | 1.74 | 23.94 |
C O | 288.27 | 1.85 | 6.41 | 287.25 | 1.91 | 6.02 |
O C–O | — | — | — | 288.45 | 1.91 | 4.69 |
O–H | 531.11 | 2 | 26.03 | 531.01 | 1.96 | 7.47 |
H2O | 532.29 | 2 | 7.45 | 532.3 | 1.96 | 23.48 |
N–H | 398.81 | 1.4 | 0.67 | 398.99 | 1.87 | 4.9 |
Ca(HA) | 347.09 | 1.83 | 10.47 | 347.11 | 1.93 | 2.29 |
P–O | 132.58 | 1.52 | 5.02 | 132.67 | 1.6 | 0.98 |