Table 1 The default values of device parameters

Thickness (µm)

0.2

0.05

3

Dielectric constant

7.8

8.28

13.6

Refractive index

2

3.16

3.67

Band gap (eV)

3.3

2.42

1.15

Electron affinity (eV)

4.6

4.4

4.5

Electron mobility (cm²/Vs)

160

350

100

Hole mobility (cm²/Vs)

40

50

25

Conduction band effective density of states (cm⁻³)

2.2 × 10¹⁸

1.7 × 10¹⁹

2 × 10¹⁸

Valence band effective density of states (cm⁻³)

1.8 × 10¹⁹

2.4 × 10¹⁸

1.6 × 10¹⁹

Donor concentration (cm⁻³)

1 × 10¹⁸

1 × 10¹⁸

0

Acceptor concentration (cm⁻³)

0

0

2 × 10¹⁶

Electron lifetime (s)

5 × 10⁻⁸

2 × 10⁻⁸

1 × 10⁻⁸

Hole lifetime (s)

5 × 10⁻⁹

6 × 10⁻⁸

5 × 10⁻⁸

Absorption file

zno.a

cds.a

cigs.a