Parameter

CuO

CdS

WS2

In2S3

IGZO

ITO

Thickness (µm)

0.5 - 4

0.050 - 0.12

0.050 - 0.12

0.050 - 0.12

0.050 - 0.12

0.200

Band gap (eV)

1.51

2.4

1.8

2.8

3.05

3.5

Electron affinity (eV)

4.07

4.4

3.95

4.5

4.16

4

Dielectric permittivity

18.1

10

13.6

13.5

10

9

CB effective density of states (cm−3)

2.2 × 1019

2.2 × 1018

1 × 1018

2.2 × 1017

5 × 1018

2.2 × 1018

VB effective density of states (cm−3)

5.5 × 1020

1.8 × 1019

2.4 × 1019

1.8 × 1019

5 × 1018

1.8 × 1019

Electron thermal velocity (cms−1)

1 × 107

1 × 107

1 × 107

1 × 107

1 × 107

1 × 107

Hole thermal velocity (cm−1)

1 × 107

1 × 107

1 × 107

1 × 107

1 × 107

1 × 107

Electron mobility (cm2/Vs)

100

100

100

100

15

20

Hole mobility (cm2/Vs)

0.1

25

100

25

0.1

10

Shallow uniform donor density, ND (cm−3)

0

1 × 1018

1 × 1018

1 × 1018

1 × 1018

1 × 1019

Shallow uniform acceptor density, NA (cm−3)

1 × 1016

0

0

0

0

0