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Showing 1–4 of 4 results
Advanced filters: Author: Saad Lamouri Clear advanced filters

  • The defects and heterogeneous system of polyaniline (PANI) doped in benzene sulfonic acid (BSA) with a crystalline region dispersed in an amorphous low-conducting region as shown in the scanning electron microscopy micrograph reveal the current–voltage characteristic, which shows a nonohmic variation. It increases in current with applied voltage owing to the conduction mechanisms of PANI due to the formation of polarons and bipolarons. As the applied voltage increases, the formation of polarons and bipolarons increases rapidly, contributing to higher values of current through sample. This characteristic affects the dielectric behaviors of the elaborate composites.

    • Belkacem Belaabed
    • Saad Lamouri
    • Sidi Ould Saad Hamady
    Research
    Polymer Journal
    Volume: 42, P: 546-554

  • Polyaniline (PANI)-doped benzene sulfonic acid (BSA) with moderate conductivity and high-dielectric properties affects the characteristics of its composites when its loading was below 15%. In addition, heating rate and curing temperature influenced the electrical properties of PANI, which affect composite properties as it was cured without catalyst. Moreover, dielectric, electromagnetic, thermomechanical behaviors and curing parameters were also affected by increasing PANI in matrix.

    • Belkacem Belaabed
    • Saad Lamouri
    • Jean Luc Wojkiewicz
    Research
    Polymer Journal
    Volume: 43, P: 683-691