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Table 14 Photovoltaic performance of Ag3BiI6, Ag3BiI3(SCN)3 photon harvesting layer based mesoscopic normal and inverted planar architecture solar cells (Fig. 8g)

From: Lead-free perovskite solar cells using Sb and Bi-based A3B2X9 and A3BX6 crystals with normal and inverse cell structures

Photo-layer

Architecture

Scan direction

Efficiency/%

Jsc/mAcm−2

Voc/V

FF

Ag3BiI6

Normal

Rev

0.91 (1.08)

1.92 (2.36)

0.63 (0.65)

0.75 (0.70)

  

Fwd

0.58 (0.88)

1.92 (2.81)

0.52 (0.56)

0.56 (0.55)

Ag3BiI6

Inverted

Rev

0.14 (0.32)

0.99 (1.29)

0.25 (0.41)

0.42 (0.59)

  

Fwd

0.02 (0.02)

0.39 (0.40)

0.14 (0.16)

0.31 (0.32)

Ag3BiI3(SCN)3

Normal

Rev

0.14 (0.18)

0.32 (0.27)

0.63 (0.63)

0.72 (1.00)

  

Fwd

0.02 (0.03)

0.21 (0.16)

0.40 (0.50)

0.30 (0.35)

Ag3BiI3(SCN)3

Inverted

Rev

0.007 (0.02)

0.12 (0.12)

0.17 (0.55)

0.34 (0.36)

  

Fwd

0.02 (0.01)

0.11 (0.13)

0.46 (0.17)

0.42 (0.46)

Cu3BiI6

Normal

Rev

0.19 (0.23)

0.69 (0.83)

0.45 (0.46)

0.59 (0.60)

  

Fwd

0.19 (0.23)

0.71 (0.86)

0.46 (0.46)

0.57 (0.59)

Cu3BiI6

Inverted

Rev

0.028 (0.03)

1.70 (1.24)

0.06 (0.08)

0.27 (0.29)

  

Fwd

0.016 (0.017)

0.32 (0.28)

0.13 (0.13)

0.39 (0.45)

  1. Data shown here represent the average of three independent solar cell parameters. Best representative photovoltaic parameters are shown in the bracket