Table 1 Device performance of all PSCs based on PEDOT:PSS film or ZnCo2O4 NPs as the HTL.

From: Using ZnCo2O4 nanoparticles as the hole transport layer to improve long term stability of perovskite solar cells

HTL

Scan direction

JSC (mA/cm2)

VOC (V)

FF (%)

best PCE (%)

avg PCEa (%)

RS (Ω)

PEDOT:PSS film

Forward

16.27

0.6

54.67

5.3

5.18

257.97

Reverse

16.27

0.8

63.73

8.29

7.86

128.15

ZnCo2O4 NPs

Forward

20.06

0.88

66.82

11.78

11.27

109.39

Reverse

19.85

0.92

67.19

12.31

11.55

94.51

  1. aAverage PCE values were obtained from 20 devices.
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