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 |