Table 1 Relative elemental analysis of the CDs with different N-doping levels by XPS analysis
From: Nitrogen-Doped Carbon Dots for “green” Quantum Dot Solar Cells
Elemental/atomic (%) | C | O | N |
|---|---|---|---|
N-free | 78.4 | 21.6 | 0 |
0:4 | 74.8 | 22.6 | 2.6 |
1:4 | 67.5 | 22.5 | 10.0 |
2:4 | 69.7 | 21.1 | 9.7 |
4:4 | 71.5 | 19.2 | 9.3 |