Back-Surface Reflectivity (%)

90*

93

96

99

V_OC (V)

J_SC (mA/cm²)

FF (%)

η (%)

1.13

30.1

89.1

30.4

1.13

30.2

89.1

30.4

1.14

30.2

89.1

30.5

1.15

30.38

89.1

30.5

Absorption Layer Thickness (μm)

1.0

1.2*

1.4

1.6

V_OC (V)

J_SC (mA/cm²)

FF (%)

η (%)

1.14

29.7

89.2

30.2

1.13

30.1

89.1

30.4

1.13

30.2

89.1

30.4

1.13

30.2

89.1

30.3

Absorption Layer Doping (cm⁻³)

2 × 10¹⁷*

5 × 10¹⁷

8 × 10¹⁷

2 × 10¹⁸

V_OC (V)

J_SC (mA/cm²)

FF (%)

η (%)

1.13

30.1

89.1

30.4

1.15

30.0

89.3

30.7

1.16

29.8

89.3

30.8

1.16

28.5

89.3

30.1