Table 1 Device parameters of champion PSCs based on different device architecture and perovskite composition via FTPA modification

From: Orientated crystallization of FA-based perovskite via hydrogen-bonded polymer network for efficient and stable solar cells

PSC architecture

Perovskite composition

FTPA application

VOC [V]

JSC [mA cm−2]

FF [%]

PCE [%]

n-i-p

FA0.95MA0.05Pb(I0.95Br0.05)3

Controla

1.143

24.46

80.38

22.48

Bulkb

1.161

24.25

82.41

23.22

Bulk/Surfacec

1.182

24.43

83.45

24.10

Cs0.05FA0.85MA0.10Pb(I0.97Br0.03)3

Controla

1.157

23.95

76.78

21.27

Bulkb

1.174

24.02

79.85

22.52

Bulk/Surfacec

1.196

24.11

80.77

23.29

p-i-n

FA0.95MA0.05Pb(I0.95Br0.05)3

Controld

1.031

23.01

79.06

18.75

Bulke

1.126

23.22

82.09

21.46

Cs0.05FA0.80MA0.15Pb(I0.85Br0.15)3

Controld

1.094

23.48

79.88

20.51

Bulke

1.138

23.74

81.54

22.03

Cs0.05FA0.80MA0.15Pb(I0.85Br0.15)3

Controld

1.081

23.39

78.89

19.95

HTLf

1.156

23.93

81.27

22.48

  1. aFTO/CBD-SnO2/perovskite/Spiro-OMeTAD/Au;
  2. bFTO/CBD-SnO2/perovskite-FTPA/Spiro-OMeTAD/Au;
  3. cFTO/CBD-SnO2/perovskite-FTPA/FTPA/Spiro-OMeTAD/Au;
  4. dITO/PTAA/perovskite/PC61BM/C60/BCP/Ag;
  5. eITO/PTAA/perovskite-FTPA/PC61BM/C60/BCP/Ag;
  6. fITO/FTPA/perovskite/PC61BM/C60/BCP/Ag.