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<p>Nanomaterials are popular in the field of materials science due to their versatile characteristics and size that has stimulated extensive research into their unique physicochemical properties and potential technological applications. The present study was conducted to investigate the synthesis of cerium-doped ZnO nano-powders with varying molar percentages by coprecipitation technique and their structural properties. The synthesized nanomaterials were characterized by FT-IR and XRD studies. XRD studies demonstrated that Cerium doping increases the size and strain of nanoparticles and expands the hexagonal unit cell of the wurtzite structure. The SEM images indicate that the nanoparticles possess irregular shapes, with sizes varying between 35 and 56&#xa0;nm. The synthesized nanoparticles are tested for its electrocatalytic characteristic for the sensing of catechol (CC) on a bare carbon paste electrode (BCPE). The Ce-doped ZnO-NPs MCPE showed a reduced oxidation peak potential at 0.198&#xa0;V and a markedly improved current sensitivity indicates the electrocatalytic characteristics of prepared NPs.</p>

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Cerium-Doped Zinc Oxide Nanoparticles by Aqueous Precipitation Method: Synthesis, Characterization and Electrochemical Studies

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • Shrishila N. Unki,
  • Veerendra Kumar A. Kalalbandi,
  • Amit Teradale

摘要

Nanomaterials are popular in the field of materials science due to their versatile characteristics and size that has stimulated extensive research into their unique physicochemical properties and potential technological applications. The present study was conducted to investigate the synthesis of cerium-doped ZnO nano-powders with varying molar percentages by coprecipitation technique and their structural properties. The synthesized nanomaterials were characterized by FT-IR and XRD studies. XRD studies demonstrated that Cerium doping increases the size and strain of nanoparticles and expands the hexagonal unit cell of the wurtzite structure. The SEM images indicate that the nanoparticles possess irregular shapes, with sizes varying between 35 and 56 nm. The synthesized nanoparticles are tested for its electrocatalytic characteristic for the sensing of catechol (CC) on a bare carbon paste electrode (BCPE). The Ce-doped ZnO-NPs MCPE showed a reduced oxidation peak potential at 0.198 V and a markedly improved current sensitivity indicates the electrocatalytic characteristics of prepared NPs.