Table 2.
Summary of XPS and Raman spectra analysis of rGO samples prepared with different size GO in suspension and film. Error bars represent standard error of mean (SEM), n = 3.
| C/O Ratio | C=C/C–C (%) | C–O (%) | O–C=O (%) | π–π (%) | ID/IG Ratio | ||
|---|---|---|---|---|---|---|---|
| Suspension | r-LGO | 20.1 ± 0.1 | 60.49 | 11.48 | 13.44 | 14.58 | 1.33 ± 0.02 |
| r-MGO | 18.3 ± 0.3 | 57.65 | 16.12 | 14.18 | 12.04 | 1.29 ± 0.02 | |
| r-SGO | 15.6 ± 0.2 | 54.59 | 23.45 | 16.57 | 5.38 | 1.21 ± 0.03 | |
| Film | r-LGO | 12.7 ± 0.5 | 53.49 | 27.26 | 13.16 | 6.09 | 1.14 ± 0.02 |
| r-MGO | 14.6 ± 0.3 | 52.66 | 27.6 | 14.14 | 5.6 | 1.20 ± 0.02 | |
| r-SGO | 16.2 ± 0.3 | 55.03 | 25.99 | 13.27 | 5.71 | 1.27 ± 0.03 |