Summary of the fitting results of the C 1s XPS spectra of GOQD and rGOQD.
| C C | C–O | C O | O–C O | |||||
|---|---|---|---|---|---|---|---|---|
| (eV) | (%) | (eV) | (%) | (eV) | (%) | (eV) | (%) | |
| GOQD | 283.8 | 36.2 | 284.2 | 29.7 | 285.4 | 19.2 | 287.6 | 14.9 |
| rGOQD | 284.0 | 44.1 | 284.7 | 25.1 | 285.8 | 8.3 | 287.7 | 22.5 |
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