Table 1 Photovoltaic parameters of Q-2D perovskite solar cells with PEDOT:PSS and BrB-PEDOT:PSS HTLs

From: Tailoring vertical phase distribution of quasi-two-dimensional perovskite films via surface modification of hole-transporting layer

HTL

 

VOC (V)

JSC (mA cm−2)

JSC,EQE (mA cm−2)b

FF (%)

PCE (%)

PEDOT:PSS

Average

0.96 ± 0.04

16.66 ± 0.62

 

68.5 ± 2.29

10.96 ± 0.60

Besta

1.01

17.16

16.73

70.9

12.29

BrB-PEDOT:PSS

Average

1.08 ± 0.02

16.62 ± 0.57

 

70.0 ± 1.92

12.59 ± 0.50

Besta

1.11

17.08

16.60

72.5

13.74

  1. aThe highest efficiency
  2. bJSC, EQE represents the integrated current density obtained from EQE spectra