Table 1 Summarizes the FAPbBr3 NC film and solution PL decay lifetimes and amplitude values as a function of temperature.
From: High brightness formamidinium lead bromide perovskite nanocrystal light emitting devices
Temp(K) | A1 (A1/A1 + A2 in %) | Τ1 (ns) | A2 (A2/A1 + A2 in %) | T2 (ns) | T-Average (Error) |
---|---|---|---|---|---|
Thin film | |||||
180 | 22463 (47.5%) | 1.1 | 24774.9 (52.5%) | 8.21 | 4.8 (±0.05) |
210 | 11886 (40.9%) | 1.2 | 17169.8 (59.1%) | 11.4 | 7.2 (±0.07) |
240 | 7852.6 (38.5%) | 0.97 | 12512.9 (61.5%) | 11.9 | 7.7 (±0.07) |
270 | 4264.7 (34.1%) | 1.0 | 8228.3 (65.9%) | 14.4 | 9.8 (±0.07) |
300 | 2128.2 (32%) | 0.99 | 4521.6 (68%) | 14.6 | 10.2 (±0.11) |
330 | 1042.7 (31.6%) | 0.90 | 2252 (68.4%) | 13.4 | 9.4 (±0.114) |
360 | 591.3 (32.8%) | 0.90 | 1208.1 (67.2%) | 15.6 | 10.7 (±0.16) |
Solution (Room Temperature) | |||||
Solution | 0.18 (20%) | 5.45 | 0.70 (80%) | 69.29 | 56 |