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<p>This research paper presents an investigation into the interrelationship between structural, optical, and electrical properties of carbon material based on pyrogallol and formaldehyde matrix enriched by zirconium oxide nanoparticles (PFZr). These advanced nanocomposites were synthesised using the cost-effective and versatile sol–gel technique. This study aims to examine the relationship between pyrolysis temperature and the hybridisation type of carbon particles, analyse how these hybridisation types influence the negative differential resistance (NDR) behaviour, and explore the impact of measurement temperature variations on the threshold parameters associated with the NDR effect. By addressing these objectives, we seek to understand the interplay between pyrolysis conditions, carbon particle characteristics, and the resulting electrical properties. This research will contribute to developing advanced carbon-based materials with tailored electronic properties for potential applications in nano-electronic and sensor technologies.</p>

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Identification of the origin of negative differential resistance by Raman and electrical investigations in PF/ZrO2 nanocomposites

  • 期刊论文

  • 发表日期：

    2025年7月18日

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  • W. Ahmed,
  • H. Jeidi,
  • L. Chouiref,
  • C. Vázquez-Vázquez,
  • H. L. Gomes,
  • L. El Mir

摘要

This research paper presents an investigation into the interrelationship between structural, optical, and electrical properties of carbon material based on pyrogallol and formaldehyde matrix enriched by zirconium oxide nanoparticles (PFZr). These advanced nanocomposites were synthesised using the cost-effective and versatile sol–gel technique. This study aims to examine the relationship between pyrolysis temperature and the hybridisation type of carbon particles, analyse how these hybridisation types influence the negative differential resistance (NDR) behaviour, and explore the impact of measurement temperature variations on the threshold parameters associated with the NDR effect. By addressing these objectives, we seek to understand the interplay between pyrolysis conditions, carbon particle characteristics, and the resulting electrical properties. This research will contribute to developing advanced carbon-based materials with tailored electronic properties for potential applications in nano-electronic and sensor technologies.