Table 8 The optical parameters study of PVA polymer with differences doped from the researcher’s study.

PVA doped with nanoparticle

 Bi nanoparticles

5.61 to 5.39

12.97 at λ 500 nm

0.60 to 1.17

⁷⁸

 CuO nanoparticles

5.29 to 3.16

1.17 to 1.64

0.22 to 1.12

5.74 to 3.25

⁶¹

 ZnO nanoparticles

5.65 to 4.75

⁷⁹

PVA base polymer electrolyte (polymer + salt)

 NaNO₃ salt

5.25 to 4.60

0.5 to 2.25

⁵²

 NaI salt

5.80 to 4.95

0.52 to 1.50

¹⁵

 AlI₃ salt

6.10 to 5.31

1.22 to 1.40

0.74 to 0.13

⁸⁰

 CuI

3.35 to 1.70

0.63 to 0.24

⁸¹

 Fe³⁺metal

5.10 to 3.52

1.57 to 2.62

3.95 to 0.71

7.48 to 7.05

1.50 to 1.75

⁵⁷

Polymer blend

 PVA/PEG

6.24 to 6.25

1.50 to 3.0

0.22 to 0.27

5.75 to 2.07

⁸²

 PVA/PEG + Pb²⁺

6.13 to 5.03

0.93 to 0.75

¹⁶

 PVA/PVP + PANI

5.00 to 4.81

1.30 to 2.30

⁸³

 PMMA/PVA/TBAI + PANI

4.38 to 2.93

⁸⁴

 PVA: Pb metal complex

6.05 to 1.62

1.15 to 1.64

0.28 to 0.65

5.75 to 2.07

1.09 to 1.43

Present work