Table 2. Overall Fluorescence Lifetimes and Quantum Yield of H–Si NPs Dependent on the Synthesis Temperature.
| temp (°C) | decay timea (ns) | quantum yieldb (%) |
|---|---|---|
| 25 | 5.7 | 9 |
| 50 | 9.8 | 8 |
| 80 | 8.4 | 16 |
| 100 | 8.0 | 12 |
| 120 | 8.8 | 11 |
| 140 | 8.7 | 7 |
| 150 | 4.5 | 7 |
| 160 | 4.1 | 8 |
| 170 | 3.9 | 8 |
Three-exponential decay fit.
Standard deviation ±2%.