Table 1 Summary of performance parameters of WBG single-junction sub-cells with two different HTL as calculated in the SCAPS simulation.

From: Optoelectronic simulation and optimization of all perovskites tandem solar cells employing electrodeposited copper oxide as hole transport layer

Device architecture

Electron affinity χ (eV)

VOC (V)

JSC (mA cm−2)

FF (%)

PCE (%)

ITO/Cu2O/FA0.8Cs0.2Pb(I0.6Br0.4)3

(\({E}_{g}\sim 1.77\,\text{eV}\))(350 nm)/C60/SnO2 /Au

2.86

1.24

15.62

82.96

16.18

3.8

1.27

15.69

86.54

17.36

ITO/Cu–O/FA0.8Cs0.2Pb(I0.6Br0.4)3

(\({E}_{g}\sim 1.77\,\text{eV}\))(350 nm)/C60/SnO2/Au

2.84

0.88

15.78

75.72

10.59

3.8

1.27

15.86

86.68

17.57