Table 1. The properties of the Mg-doped ZnO nanocrystals synthesized under various conditions (corresponding to Fig. 1).
| 235°C | 250°C | 270°C | |
|---|---|---|---|
| 50 mol% of Mg(St)2 | |||
| shape | branched nanocrystals | branched nanocrystals | nanowires |
| optical band gap (eV) | 3.77 | 3.83 | 3.88 |
| Mg content in NCs (at.%) | 27.0 | 30.5 | |
| diameter (nm) | 2.2 ± 0.3 | 2.0 ± 0.2 | |
| 60 mol% of Mg(St)2 | |||
| shape | branched nanocrystals | nanowires | nanowires and irregular particles |
| optical band gap (eV) | 3.80 | 3.88 | |
| Mg content in NCs (at.%) | 23.8 | 30.2 | |
| diameter (nm) | 2.3 ± 0.3 | 2.0 ± 0.3 | |
| 70 mol% of Mg(St)2 | |||
| shape | nanowires | nanowires and irregular particles | nanowires and irregular particles |
| optical band gap (eV) | 3.88 | ||
| Mg content in NCs (at.%) | 30.9 | ||
| diameter (nm) | 2.0 ± 0.3 | ||