Table 5 Comparison of optical parameters (\(\:{E}_{g},\:{E}_{edge},\frac{\text{N}}{{m}^{*}}\:,\:{n}_{o},\:{w}_{p},\:{\chi\:}^{\left(3\right)},\:\text{a}\text{n}\text{d}\:{n}_{2}\:\:\)) of PEO-GO composites from literature and the present study, highlighting the improved optical performance and potential for optoelectronic applications.

From: Improved optical characteristics of PEO polymer integrated with graphene oxide

 

\(\:{\varvec{E}}_{\varvec{g}}/\varvec{e}\varvec{V}\)

\(\:{\varvec{E}}_{\varvec{e}\varvec{d}\varvec{g}\varvec{e}}/\varvec{e}\varvec{V}\)

N/\(\:{\varvec{m}}^{\varvec{*}}\)

\(\:{\varvec{n}}_{\varvec{o}}\)

\(\:{\varvec{w}}_{\varvec{p}}\)

\(\:{\varvec{\chi\:}}^{\left(3\right)}\)

\(\:{\varvec{n}}_{2}\)

PEO/Ag nano-composite57

Indirect 2.12

3.54

-

-

-

-

-

PEO/4wt% SiO2 nanocomposites85

3.2

-

\(\:0.79\times\:{10}^{55}\)

1.35

-

\(\:6.24\times\:{10}^{-14}\)

\(\:20.58\times\:{10}^{-12}\)

PEO/PVA-MWCNTs/ZnO 9wt%86

Indirect 3.57

-

-

-

-

-

-

PVA: PEO (80:20)/AlPO4 4wt%87

Indirect 4.5

3.5

-

-

-

-

-

PEO/NiO56

3.07

2.5

\(\:0.40\times\:{10}^{40}\)

1.02

\(\:0.12\times\:{10}^{14}\)

\(\:6\times\:{10}^{-19}\)

\(\:2\times\:{10}^{-17}\)

(PEO/PVP)–15 wt% TiO288

4.73

4.94

-

2.03

-

-

-

PEO/PVP/CuONPs89

4.68

3.39

-

2.86

-

-

-

PEO/CaTiO3nanoparticles42

4.19

4.4

-

-

-

-

-

Present study

2.12

2.27

\(\:11.6\times\:{10}^{54}\)

2.21

\(\:{10.3\times\:10}^{13}\)

\(\:30\times\:{10}^{-6}\)

\(\:5.2\times\:{10}^{-5}\)