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