Table 1 Photovoltaic parameters of PSC top cell, CQD, and SHJ bottom cells.

From: Enhanced optical path and electron diffusion length enable high-efficiency perovskite tandems

Cells

Voc (V)

Jsc (mA cm−2)

FF (%)

PCE (%)

Stabilized (%)

Semi-transparent PSC

(0.049 cm2)

1.12

22.3

77.7

19.4

19.0

(1 cm2)

1.10

22.4

66.9

16.5

16.5

Filtered CQD

0.62

12.2

66

5.0

5.0

PSC-CQD 4T

(0.049 cm2)

   

24.4

24.0

Filtered SHJ

0.70

17.2

76.6

9.2

9.2

PSC-SHJ 4T

(0.049 cm2)

   

28.6

28.2

(1 cm2)

   

25.7

25.7