Table 1 Band gap energies and Urbach energy of PEO/PVA-CuCo2O4 nanocomposites.

From: Synthesis and improved optical, electrical, and dielectric properties of PEO/PVA/CuCo2O4 nanocomposites

Samples

Egd (eV)

Egin (eV)

EU (eV)

Pure PEO/PVA

4.98

4.46

0.27236 ± 0.0032

PEO/PVA-0.2% CuCo2O4 NPs

4.87

4.33

0.28943 ± 0.0021

PEO/PVA-0.8% CuCo2O4 NPs

4.75

4.21

0.32348 ± 0.0056

PEO/PVA-1.4%CuCo2O4 NPs

4.46

4.10

0.33452 ± 0.0072

PEO/PVA-1.8%CuCo2O4 NPs

4.23

3.67

0.35652 ± 0.0012

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