Material

Symbol

Band gap (eV)
@ 300K

Lead(II) selenide

PbSe

0.27

Lead(II) telluride

PbTe

0.29

Indium(III) arsenide

InAs

0.36

Lead(II) sulfide

PbS

0.37

Germanium

Ge

0.67

Gallium antimonide

GaSb

0.7

Indium(III) nitride

InN

0.7

Silicon

Si

1.11

Copper(II) oxide

CuO

1.2

Indium(III) phosphide

InP

1.35

Gallium(III) arsenide

GaAs

1.43

Cadmium telluride

CdTe

1.49

Aluminium antimonide

AlSb

1.6

Cadmium selenide

CdSe

1.73

Selenium

Se

1.74

Aluminium arsenide

AlAs

2.16

Zinc telluride

ZnTe

2.25

Gallium(III) phosphide

GaP

2.26

Cadmium sulfide

CdS

2.42

Aluminum phosphide

AlP

2.45

Gallium(II) sulfide

GaS

2.5

Zinc selenide

ZnSe

2.7

Silicon carbide

SiC

2.86

Zinc oxide

ZnO

3.37

Gallium(III) nitride

GaN

3.4

Zinc sulfide

ZnS

3.6

Diamond

C

5.5

Aluminium nitride

AlN

6.3