Table 2.
XPS elemental analysis results of the R-CDs and Y-CDs.
| Sample | C (mol%) | O (mol%) | N (mol%) |
|---|---|---|---|
| R-CDs | 74.45 | 16.08 | 9.48 |
| Y-CDs | 73.37 | 5.38 | 21.25 |
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