Table 1.
Binding energies and percentages indicating how much the component contributes to the total C1s intensity; these percentages indicate the relative amounts of carbon atoms involved in each type of bond as deduced from the XPS measurements.
| Carbon species | B.E. (eV) | Sample name and % | Sample name and % | Sample name and % |
|---|---|---|---|---|
| C-Si | 283.8 | – | – | GO-APTEOS 5.6 |
| C-C/C=C | 284.8 | org-GO 55.5 GO-BTB 53.2 G-BTB 70.4 | GO-TEOS 40.7 | GO-APTEOS 40.3 |
| C-O/C-N | 285.9 – 286.2 | org-GO 21.5 GO-BTB 27.8 | GO-TEOS 30.5 | GO-APTEOS 35.4 |
| C-O | 285.9 | G-BTB 21.2 | – | – |
| C=O/C-O-C | 287.1–287.4 | org-GO 17.3 GO-BTB 14.7 G-BTB 6.3 | GO-TEOS 21 | GO-APTEOS 14 |
| COOH | 288.4–288.9 | org-GO 5.7 GO-BTB 4.3 G-BTB 2.1 | GO-TEOS 7.8 | GO-APTEOS 4.7 |