Element information of C and O in XPS spectra of MWCNTs and GNRs.
| Sample | Element | Peak position (eV) | Atomic% |
|---|---|---|---|
| MWCNT | C 1s | 284.8 | 98.29 |
| O 1s | 531.93 | 1.71 | |
| GNR | C 1s | 284.8 | 70.1 |
| O 1s | 532.76 | 29.9 |
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