Table 1 Thickness-dependent PV properties and fitting parameters of the PZT films
From: Thinning ferroelectric films for high-efficiency photovoltaics based on the Schottky barrier effect
Thickness (nm) | P state | VOC (V) | ISC (nA) | JSC (mA/cm2) | FF (%) | PCE (%) | Rs (kΩ) | Rsh (kΩ) | Iph (nA) |
|---|---|---|---|---|---|---|---|---|---|
120 | Pup | −0.9 | 717 | 2.28 | 41.9 | 0.51 | 343 | 2147 | 836 |
180 | −0.91 | 486 | 1.55 | 33.8 | 0.28 | 469 | 2245 | 590 | |
240 | −0.89 | 346 | 1.10 | 39.5 | 0.23 | 627 | 3498 | 409 | |
300 | −0.91 | 216 | 0.69 | 35.7 | 0.13 | 1271 | 5534 | 267 | |
120 | Pdown | 0.4 | −225 | −0.72 | 30.7 | 0.051 | 1102 | 1365 | 409 |
180 | 0.39 | −160 | −0.51 | 28.2 | 0.033 | 1180 | 1611 | 282 | |
240 | 0.36 | −90 | −0.29 | 26.1 | 0.016 | 2453 | 1644 | 231 | |
300 | 0.32 | −55 | −0.18 | 25.6 | 0.009 | 4243 | 1828 | 188 |