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. 2022 Feb 16;12(9):5557–5570. doi: 10.1039/d1ra05717k

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 Created by potrace 1.16, written by Peter Selinger 2001-2019 O 288.27 1.85 6.41 287.25 1.91 6.02
O Created by potrace 1.16, written by Peter Selinger 2001-2019 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