Table 1. Carrier Life Time of Perovskite Films According to the TR-PL Fitting with Exponential Decay.
| time component | perovskite (ns) | NiOx/perovskite (ns) | Cs/NiOx/perovskite (ns) |
|---|---|---|---|
| τ1 | 349.1 | 262.4 | 146.5 |
| τ2 | 58.0 | 32.5 |
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