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The utilization of biological methods, particularly plant extracts, for the eco-friendly and cost-effective production of metal nanoparticles, known as green synthesis, is gaining momentum in nanotechnology. In this investigation, aloe vera extract served as the catalyst for nanoparticle synthesis. Employing the green synthesis co-precipitation approach, zinc oxide (Zn) and spinel-structured cobalt ferrite (CoFe2O4; CF) nanoparticles were prolifically created, followed by the creation of their composite via the solid-state route method. The FTIR spectra shows the existence of a prominent and intense bands which further revealed the formation of pure-phase zinc oxide and cobalt ferrite with a cubic spinel structure. Characterization techniques such as UV–Vis spectroscopy revealed a bandgap of 2.81 eV for the composite, while VSM analysis confirmed ferrimagnetic behavior. Magnetic saturation values at room temperature were obtained through VSM measurements for the samples. The Zn, CF, and Zn-CF nanocomposite exhibited an improved ion diffusion mechanism, resulting in decreased impedance in wet states. These findings highlight the potential of Zn-CF nanocomposites for applications in microelectronics and hydroelectric cells.

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Exploration of the Magnetic Characteristics and Ion Diffusion Mechanism in the Zinc Oxide-Cobalt Ferrite Nano-Composite

  • 会议论文

  • 发表日期：

    2025年

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  • Chitralekha,
  • Samridhi Wani,
  • Varsha,
  • S. Shankar,
  • A. P. Singh

摘要

The utilization of biological methods, particularly plant extracts, for the eco-friendly and cost-effective production of metal nanoparticles, known as green synthesis, is gaining momentum in nanotechnology. In this investigation, aloe vera extract served as the catalyst for nanoparticle synthesis. Employing the green synthesis co-precipitation approach, zinc oxide (Zn) and spinel-structured cobalt ferrite (CoFe2O4; CF) nanoparticles were prolifically created, followed by the creation of their composite via the solid-state route method. The FTIR spectra shows the existence of a prominent and intense bands which further revealed the formation of pure-phase zinc oxide and cobalt ferrite with a cubic spinel structure. Characterization techniques such as UV–Vis spectroscopy revealed a bandgap of 2.81 eV for the composite, while VSM analysis confirmed ferrimagnetic behavior. Magnetic saturation values at room temperature were obtained through VSM measurements for the samples. The Zn, CF, and Zn-CF nanocomposite exhibited an improved ion diffusion mechanism, resulting in decreased impedance in wet states. These findings highlight the potential of Zn-CF nanocomposites for applications in microelectronics and hydroelectric cells.