Table 1. Best-Fit Structural Parameters of the Nanocrystal Superlattices at Room Temperature.
| sample | d (Å) | L (Å) | σL (Å) | N (planes) | σN (planes) | Λ (Å) |
|---|---|---|---|---|---|---|
| CsPbBr3 nanocrystals | 5.8387 ± 0.0033a | 36.989 ± 0.070 | 1.428 ± 0.020 | 12.94 ≈ 13 ± 0.27 (75.9 Å thick)b | 1.45 ± 0.78 | 107.053 ± 0.082 |
| CsPbBr3 nanoplatelets | 3.0083 ± 0.0094 (2° B. peak) | 33.587 ± 0.099 | 0.630 ± 0.017 | 4.02 ≈ 4 ± 0.15 (12.1 Å thick)b | 0.42 ± 0.12 | 42.61 ± 0.10 |
| PbS nanosheets | 3.0083 ± 0.0042 | 44.444 ± 0.024 | 0.325 ± 0.017 | 3.98 ≈ 4 ± 0.05 (9.07 Å thick)b | 0.850 ± 0.080 | 53.469 ± 0.027 |
| PbS nanocrystals | 2.9776 ± 0.0007 | n/a | >1.5 (δΛ > 0.7)c | 31.60 ≈ 32 ± 0.78 (92.3 Å thick)b | 5.5 ± 1.5 | n/a |
a
Error bars were evaluated via bootstrap analysis (100 iterations; see SI section S.j) and error propagation (for Λ).
b
Thickness is defined in section S.d of the SI.
c
For PbS nanocrystal superlattices, σΛ was estimated based on the relative χ2 map (Figure S13).