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Raman shift positions, full width in the high maximum (FWHM) and intensity ratio (ID/IG) of GO films.
| Samples | Peaks Position, Raman Shift/cm−1 | FWHM, cm−1 | ID/IG | ||
|---|---|---|---|---|---|
| D Band | G Band | D Band | G Band | ||
| as-obtained | 1351 | 1598 | 86 | 64 | 1.027 |
| purified | 1350 | 1591 | 99 | 74 | 0.869 |
| aged_as-obtained | 1354 | 1600 | 91 | 66 | 0.946 |
| aged_purified | 1348 | 1590 | 101 | 73 | 0.904 |
