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Abstract <p>In this present work, microwave combustion method was used to synthesize the ZnFe<sub>2</sub>O<sub>4</sub> nanoparticles. The optical, structural, and morphological properties of the produced ZnFe<sub>2</sub>O<sub>4</sub> samples was examined by Fourier Transform Infrared Spectroscopy (FT-IR), X-ray diffraction (XRD), Ultraviolet-Visible diffuse reflectance Spectroscopy (UV-DRS), Transmission Electron Microscopy (TEM), and Scanning electron microscopy (SEM) characterization methods. The XRD analysis revealed a cubic spinel structure with an average crystal size of 22 nm. SEM and TEM analysis disclosed that the samples contain spherical-like nanoaprticles (NPs). Zn–O and Fe–O functional groups were confirmed by FT-IR spectra in the range of 400–600 cm<sup>–1</sup>. UV-DRS spectra were used to measure the band gap of the samples, and the value is 2.15 eV. When used as an electrode for a supercapacitor application, ZnFe<sub>2</sub>O<sub>4</sub> provided a specific capacitance of 126&#xa0;F/g at a current density of 1 A/g with 56% retention after 5000 cycles. The obtained electrochemical performance of ZnFe<sub>2</sub>O<sub>4</sub> electrode material suggests it can be used for next-generation supercapacitors.</p>

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Synthesis and Characterization of ZnFe2O4 Nanoparticles via Microwave Combustion Method and Its Supercapacitor Application

  • 期刊论文

  • 发表日期：

    2025年5月13日

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  • B. Kabilan,
  • S. Sakthivel,
  • A. Dinesh,
  • S. Jayasree,
  • Rajendra P. Patil,
  • Manikandan Ayyar,
  • V. Mohanavel,
  • Madhappan Santhamoorthy,
  • Y. Slimani,
  • M. A. Almessiere,
  • A. Baykal,
  • S. Santhoshkumar,
  • Naved Azum,
  • Malik Abdul Rub,
  • Khalid A Alzahrani

摘要

Abstract

In this present work, microwave combustion method was used to synthesize the ZnFe2O4 nanoparticles. The optical, structural, and morphological properties of the produced ZnFe2O4 samples was examined by Fourier Transform Infrared Spectroscopy (FT-IR), X-ray diffraction (XRD), Ultraviolet-Visible diffuse reflectance Spectroscopy (UV-DRS), Transmission Electron Microscopy (TEM), and Scanning electron microscopy (SEM) characterization methods. The XRD analysis revealed a cubic spinel structure with an average crystal size of 22 nm. SEM and TEM analysis disclosed that the samples contain spherical-like nanoaprticles (NPs). Zn–O and Fe–O functional groups were confirmed by FT-IR spectra in the range of 400–600 cm–1. UV-DRS spectra were used to measure the band gap of the samples, and the value is 2.15 eV. When used as an electrode for a supercapacitor application, ZnFe2O4 provided a specific capacitance of 126 F/g at a current density of 1 A/g with 56% retention after 5000 cycles. The obtained electrochemical performance of ZnFe2O4 electrode material suggests it can be used for next-generation supercapacitors.