Buffer layer

Voc

Jsc (mA∙cm⁻²)

FF (%)

η (%)

Reference

CdS (experimental)

0.69

30.9

0.72

15.3

[17]

CdS (simulated)

0.68

46.60

81.37

25.07

ZnS (experimental)

0.37

28.6

0.5

5.34

[17]

ZnS (simulated)

0.67

44.32

79.13

16.01

ZnS/CdS (experimental)

0.69

30.8

0.76

16.4

[17]

ZnS/CdS (simulated)

0.67

47.42

82.33

25.87