Table 5 Final device output of PSCs with different HTLs (CuI, CuSCN, Cu2O, Spiro-OMeTAD).

From: Physical parameter optimization and band alignment approach for efficiency improvement in Cs2AgBiBr6 based lead-free perovskite solar cells

Device configuration

PCE (%)

VOC(V)

JSC(mA/cm2)

FF (%)

FTO/TiO2/Cs2AgBiBr6/CuI/Au

5.56

1.04

8.54

62.37

FTO/TiO2/Cs2AgBiBr6/CuSCN/Au

6.28

1.14

8.60

63.71

FTO/TiO2/Cs2AgBiBr6/Cu2O/Au

7.60

1.33

8.78

64.96

FTO/TiO2/Cs2AgBiBr6/Spiro-OMeTAD/Au

5.68

1.06

8.55

62.53

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