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<p>This study investigates the dielectric characteristics and direct current (DC) electrical conductivity of poly(o-toluidine) (POT) composite incorporated with lead oxide (PbO) using an in situ chemical oxidation method. A comprehensive structural, morphological, and thermal characterization of the resultant composites reveals that PbO is blended into the POT matrix, with lead oxide incorporated into POT at varying weight percentages of 25 wt% (PPb1), 50 wt% (PPb2), and 75 wt% (PPb3), respectively. Higher temperatures cause dipoles to align more effectively with the applied electric field due to increased thermal energy, thereby improving polarization PPb3 shows better overall performance compared to the other composites, exhibiting a marked increase in dielectric constant, with a maximum value of 42.21 × 10³ F/m at log f = 3. Although POT and PbO have a strong link, the cluster of composites has well-built polarization which create dipoles, resulting in enhanced energy storage of 8.12 × 10<sup>− 7</sup> (J/Cm<sup>3</sup>) at 120&#xa0;°C. The DC conductivity of PPb3 increases with increasing temperature through thermal agitation, which varies from 40.25 × 10<sup>1</sup> S/cm to 55 × 10<sup>1</sup> S/cm. These results indicate that PPb3 exhibits better energy storage.</p>

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Lead oxide-doped poly (o -toluidine) nanocomposites for enhanced dielectric characteristics and electrical conductivity

  • 期刊论文

  • 发表日期：

    2026年5月29日

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  • Praveen. Hari

摘要

This study investigates the dielectric characteristics and direct current (DC) electrical conductivity of poly(o-toluidine) (POT) composite incorporated with lead oxide (PbO) using an in situ chemical oxidation method. A comprehensive structural, morphological, and thermal characterization of the resultant composites reveals that PbO is blended into the POT matrix, with lead oxide incorporated into POT at varying weight percentages of 25 wt% (PPb1), 50 wt% (PPb2), and 75 wt% (PPb3), respectively. Higher temperatures cause dipoles to align more effectively with the applied electric field due to increased thermal energy, thereby improving polarization PPb3 shows better overall performance compared to the other composites, exhibiting a marked increase in dielectric constant, with a maximum value of 42.21 × 10³ F/m at log f = 3. Although POT and PbO have a strong link, the cluster of composites has well-built polarization which create dipoles, resulting in enhanced energy storage of 8.12 × 10− 7 (J/Cm3) at 120 °C. The DC conductivity of PPb3 increases with increasing temperature through thermal agitation, which varies from 40.25 × 101 S/cm to 55 × 101 S/cm. These results indicate that PPb3 exhibits better energy storage.