Table 1 The biexciton features of CsPbBr3 nanocrystals including quantum yields, lifetime, and Auger lifetime
From: Nonlocal interaction enhanced biexciton emission in large CsPbBr3 nanocrystals
Sample | Volume | QYxx | Biexciton lifetime | Auger lifetime | ||
|---|---|---|---|---|---|---|
Single-particle | Ensemble | Single-particle | Ensemble | Ensemble | ||
Spheroid 1 | 1100 ± 294 nm3 | ~ 34% | – | – | 0.6 ns | 0.9 ns |
Spheroid 2 | 2800 ± 706 nm3 | ~ 55% | ~ 56% | 3.7 ns | 3.2 ns | 7.1 ns |
Spheroid 3 | 9000 ± 1860 nm3 | ~ 75% | ~ 78% | 7.5 ns | 6.3 ns | 25.2 ns |
Rod 1 | 3000 ± 1131 nm3 | ~ 53% | ~ 70% | – | 2.27 ns | 7.57 ns |
Rod 2 | 4600 ± 1635 nm3 | ~ 80% | ~ 75% | 4.18 ns | 4.0 ns | 16.4 ns |