Table 2 Average solar cell properties of the optimized MAPbBr3 quantum dot-based (~2–3 nm) perovskite solar cells

From: Highly stable and efficient solid-state solar cells based on methylammonium lead bromide (CH3NH3PbBr3) perovskite quantum dots

HTM

Scan direction

VOC (V)

JSC (mA cm−2)

FF

η (%)

Spiro-MeOTAD

Forward

0.951±0.01

11.68±0.35

0.69±0.01

7.66

 

Reverse

0.932±0.01

11.50±0.52

0.71±0.01

7.61

PTAA

Forward

1.097±0.01

12.31±0.45

0.69±0.01

9.31

 

Reverse

1.089±0.01

12.05±0.34

0.72±0.01

9.44

  1. Abbreviations: FF, fill factor; HTM, hole-transporting material; PTAA, poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine]; Spiro-MeOTAD, 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene.
  2. Thickness of the mp-TiO2 electrode is 250 nm. All measurements were performed at room temperature without masking. The device configuration was FTO/Bl-TiO2/mp-TiO2/CH3NH3PbBr3/HTM/Au.
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