Table 1 Photoluminescence lifetime and quantum yield (QY) of carbon colloids fabricated at 130, 160, 200 and 240°C. The highest QY was achieved at 160°C
Sample | τ1 (ns) | τ2 (ns) | τave (ns) | QY % |
---|---|---|---|---|
130°C | 6.78 | -- | 6.78 | 35.4 |
160°C | 7.13 | -- | 7.13 | 44.7 |
200°C | 2.81 | 10.41 | 6.12 | 28.1 |
240°C | 3.51 | 9.85 | 5.21 | 20.8 |