Composition

(PAM/PEO)

Absorption edge (eV)

Correlation factor R2

Direct Band gap (eV)

Indirect Band gap (eV)

Activation energy Ea (eV)

100/0

4.26

0.9879

4.79

4.01

0.59

70/30

4.34

0.9908

4.83

4.09

0.88

50/50

4.55

0.9849

4.86

4.15

1.96

30/70

4.74

0.9983

4.96

4.45

2.11

0/100

4.83

0.9954

5.07

4.59

2.38