Table 5 Summary of elemental concentration of E1-CQD@300sec and E6-CQD@300sec from XPS.
From: Impact of sodium doping on the structural properties of CQDs
Element | BE [eV] | Atomic conc. [%] | Error [%] | Mass conc. [%] | Error [%] |
|---|---|---|---|---|---|
E1-CQD@300sec | |||||
C 1s | 284.4 | 61.966 | 0.234 | 56.368 | 0.254 |
O 1s | 531.4 | 21.475 | 0.172 | 26.022 | 0.201 |
N 1s | 399.4 | 16.494 | 0.190 | 17.497 | 0.201 |
Na 1s | 1071.4 | 0.065 | 0.106 | 0.113 | 0.185 |
E6-CQD@300sec | |||||
C 1s | 285 | 56.766 | 0.207 | 49.582 | 0.213 |
O 1s | 531 | 27.158 | 0.177 | 31.598 | 0.196 |
N 1s | 399 | 12.333 | 0.152 | 12.563 | 0.155 |
Na 1s | 1069 | 3.743 | 0.094 | 6.258 | 0.153 |
