Table 1 Structural parameters determined by the GISAXS analysis for the hierarchical structure of the one-step solution-processed perovskite films as a function of percentage of chloride.
Chloride percentage (%) | Fractal type | D s | p | R(nm) | D | ξ(nm) | Rg (nm) | Voc (V) | Jsc (mA /cm2) | FF (%) | PCE (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
0 | pore | — | 0.58 | 3.3 | 1.8 | 29 | 28 | 0.47 | 15.14 | 0.44 | 3.14 |
10 | pore | — | 0.54 | 4.0 | 2.6 | 115 | 115 | 0.49 | 18.00 | 0.56 | 4.92 |
20 | surface | 2.3 |  | — | — | — | — | 0.93 | 21.21 | 0.70 | 13.8 |
40 | surface | 3.0 |  | — | — | — | — | 0.90 | 20.58 | 0.61 | 11.4 |
