Research Article
Effect of Zirconium Oxide Nanofiller and Dibutyl Phthalate Plasticizer on Ionic Conductivity and Optical Properties of Solid Polymer Electrolyte
Table 2
Absorption edge and band gaps values for SPE.
| | Polymer electrolyte |
Absorption edge (eV) | Band gap (eV) | | Direct | Indirect |
| | Pure PEO | 5.80 | 5.70 | 5.68 | | PEO + 14 wt.% LiCF3SO3 | 5.78 | 5.68 | 5.65 | | PEO + 14 wt.% LiCF3SO3 |
5.70 | 5.65 | 5.53 | | + 1 wt.% DBP | | PEO + 14 wt.% LiCF3SO3 |
5.68 | 5.60 | 5.57 | | + 1 wt.% DBP + 0.05 wt.% ZrO2 |
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