Table 3. Elemental Composition and C/O Atomic Ratios in GO and rGO by XPS and EDX-SEM.
| element | GO XPS (%) | GO EDX-SEM (%) | rGO XPS (%) | rGO EDX-SEM (%) |
|---|---|---|---|---|
| C | 66.14 | 64.76 | 84.91 | 88.49 |
| O | 33.86 | 35.24 | 11.62 | 11.51 |
| N | - | - | 3.47 | - |
| C/O ratio | 1.95 | 1.84 | 7.31 | 7.69 |
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