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<p>Single crystal of Zinc Sulphate Nickel Nitrate (ZN) was successfully grown using the slow evaporation method. Single crystal X-ray diffraction (SCXRD) analysis revealed that the crystal belongs to the monoclinic crystal system. The elemental composition and functional groups of the compound were confirmed through Energy Dispersive X-ray Analysis (EDAX) and Fourier Transform Infrared Spectroscopy (FTIR), respectively, indicating the presence of the expected constituents. Optical characterization using UV–Visible spectroscopy showed a sharp transmittance cut-off at 235&#xa0;nm, and the Tauc’s plot revealed an optical band gap of 5.2&#xa0;eV. Additional optical parameters, including refractive index, extinction coefficient, and reflectance, were also calculated. Photoluminescence (PL) studies demonstrated violet emission, suggesting potential optoelectronic applications. Cyclic voltammetry (CV) analysis indicated strong capacitive behavior, making the crystal a promising candidate for energy storage systems. Impedance spectroscopy further distinguished the contributions of bulk and grain boundary resistance. Antibacterial studies revealed that the Zn component exhibited significant antibacterial activity. This paper presents a thorough analysis and detailed discussion of the crystal’s properties.</p>

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Investigating the Optoelectronic, Pseudocapacitive, Impedance and Antibacterial Properties of Zinc Sulphate Nickel Nitrate Single Crystal

  • 期刊论文

  • 发表日期：

    2026年1月5日

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  • A. Sweety Gracia,
  • D. Jencylin Navarani,
  • S. C. Vella Durai

摘要

Single crystal of Zinc Sulphate Nickel Nitrate (ZN) was successfully grown using the slow evaporation method. Single crystal X-ray diffraction (SCXRD) analysis revealed that the crystal belongs to the monoclinic crystal system. The elemental composition and functional groups of the compound were confirmed through Energy Dispersive X-ray Analysis (EDAX) and Fourier Transform Infrared Spectroscopy (FTIR), respectively, indicating the presence of the expected constituents. Optical characterization using UV–Visible spectroscopy showed a sharp transmittance cut-off at 235 nm, and the Tauc’s plot revealed an optical band gap of 5.2 eV. Additional optical parameters, including refractive index, extinction coefficient, and reflectance, were also calculated. Photoluminescence (PL) studies demonstrated violet emission, suggesting potential optoelectronic applications. Cyclic voltammetry (CV) analysis indicated strong capacitive behavior, making the crystal a promising candidate for energy storage systems. Impedance spectroscopy further distinguished the contributions of bulk and grain boundary resistance. Antibacterial studies revealed that the Zn component exhibited significant antibacterial activity. This paper presents a thorough analysis and detailed discussion of the crystal’s properties.