Composition of the Cu2O NCs samples extracted from the wide energy range scans.
| Composition atomic% | |||||
|---|---|---|---|---|---|
| Cu | C | O | N | Na | |
| Cu2O-NCs-0 | 21.1 | 44.3 | 31.7 | — | 2.9 |
| Cu2O-NCs-5 | 17.7 | 42.1 | 39.8 | 0.4 | — |
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