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Abstract <p>Semiconductor CuO nanoparticles (NPs) that were both undoped and Sn-doped were produced using a straightforward soft chemical process at a pH of 8 and annealed for 2 h at 600°C. The structural, optical, surface, and magnetic properties were examined using a variety of analytical methods. The predicted crystallite range of the NPs, which ranges from 39 to 26 nm, decreased with an increase in Sn-doping consideration. The synthesized particles are nanocrystalline, according to a Scanning electron microscope (SEM) investigation. The single-crystal individuality can be seen in the high-resolution transition electron microscope images. The functional frequencies are discovered by Fourier transform infrared spectra (FTIR) research, such as Cu–O (487, 609 cm<sup>–1</sup>) and Sn–O (949 cm<sup>–1</sup>). The energy bandgap values are calculated from the UV absorption and can range from 1.25 to 1.80 eV. The near-band-edge (NBE) peaks in the photoluminescence spectrum are shown to be about 431 cm<sup>–1</sup>. Magnetic studies revealed that when the Sn content is at its highest, the CuO NPs exhibit ferromagnetic behaviour.</p>

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Effect of Sn Doping on the Structural, Morphology and Magnetic Properties of CuO Nanoparticles Synthesized through a Simple Soft Chemical Route

  • 期刊论文

  • 发表日期：

    2025年5月13日

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  • A. Vasuhi,
  • K. Dhanabalan,
  • A. Dinesh,
  • A. T. Ravichandran,
  • Manikandan Ayyar,
  • S. Suthakaran,
  • R. P. Patil,
  • K. Radhakrishnan,
  • V. Mohanavel,
  • M. Santhamoorthy,
  • S. Santhoshkumar

摘要

Abstract

Semiconductor CuO nanoparticles (NPs) that were both undoped and Sn-doped were produced using a straightforward soft chemical process at a pH of 8 and annealed for 2 h at 600°C. The structural, optical, surface, and magnetic properties were examined using a variety of analytical methods. The predicted crystallite range of the NPs, which ranges from 39 to 26 nm, decreased with an increase in Sn-doping consideration. The synthesized particles are nanocrystalline, according to a Scanning electron microscope (SEM) investigation. The single-crystal individuality can be seen in the high-resolution transition electron microscope images. The functional frequencies are discovered by Fourier transform infrared spectra (FTIR) research, such as Cu–O (487, 609 cm–1) and Sn–O (949 cm–1). The energy bandgap values are calculated from the UV absorption and can range from 1.25 to 1.80 eV. The near-band-edge (NBE) peaks in the photoluminescence spectrum are shown to be about 431 cm–1. Magnetic studies revealed that when the Sn content is at its highest, the CuO NPs exhibit ferromagnetic behaviour.