Table 1. Binding Energies, Percentages of Different Groups, and C sp2/C sp3 Ratios for GQDs.
| bond | max binding energy (eV) | composition (%) | C sp2/C sp3 |
|---|---|---|---|
| C=C | 284.7 | 85 | 5.66 |
| COO– | 288.5 | 15 |
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