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Luminescence lifetime of the Pr3+ 1D2 → 3H4 emission transition at RT for selected Y2O3: Pr3+ NCs synthesized by homogeneous precipitation method.
| Entry | V H2O (mL) | Urea Amount (mol) | Observations | τ (1D2)/µs |
|---|---|---|---|---|
| 1 | 360 | 0.485 | Well-dispersed spheres of 260(26) nm; NC size: 20.2(2) nm. | 152 |
| 2 | 200 | 0.485 | Well-dispersed spheres of 229(20) nm; NC size: 25.2(4) nm. | 161 |
| 3 | 200 | 0.832 | Very well-dispersed spheres of 155(20) nm; NC size: 30(5) nm. | 184 |
