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