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<p>The solution combustion approach was used to create manganese vanadate (Mn<sub>2</sub>V<sub>2</sub>O<sub>7</sub>) nanoparticles (NPs) at 500&#xa0;°C using manganese nitrate (Mn(NO<sub>3</sub>)<sub>2</sub>), ammonium metavanadate (NH<sub>4</sub>VO<sub>3</sub>) and chia seeds as fuel. Using a variety of methods, such as photoluminescence (PL), Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible spectroscopy (UV-Vis), and X-ray diffraction (XRD), a thorough examination of the synthesized NPs was carried out to look into their surface morphology, optical characteristics, and crystal structure. These nanoparticles were also utilized in the photocatalytic reduction of rose bengal dye. The produced Mn<sub>2</sub>V<sub>2</sub>O<sub>7</sub> NPs, with a crystal size of 26.03&#xa0;nm, were found to have a monoclinic crystalline structure, according to XRD examination. To ascertain the form of the NPs, scanning electron microscopy was employed. Additionally, the produced NPs were used to detect urea via dropcasting and electrode modification methods. Before beginning any experiment, the electrodes were air-dried overnight. This work demonstrates the Mn<sub>2</sub>V<sub>2</sub>O<sub>7</sub> NPs’ multifunctionality, which makes them attractive options for a range of uses, such as photocatalysis and sensing.</p>

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Green Synthesis of Mn2V2O7 Nanoparticles and Its Dual Functionality in Electrochemical Urea Sensing and Photocatalytic Dye Degradation

  • 期刊论文

  • 发表日期：

    2025年10月18日

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  • H. Anantharama,
  • J. R. Naveen Kumar,
  • M. Rohit,
  • Divya R. Basavannavar,
  • B. M. Praveen,
  • Asad Syed,
  • R. Harini,
  • G. Nagaraju,
  • Bharath K. Devendra

摘要

The solution combustion approach was used to create manganese vanadate (Mn2V2O7) nanoparticles (NPs) at 500 °C using manganese nitrate (Mn(NO3)2), ammonium metavanadate (NH4VO3) and chia seeds as fuel. Using a variety of methods, such as photoluminescence (PL), Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible spectroscopy (UV-Vis), and X-ray diffraction (XRD), a thorough examination of the synthesized NPs was carried out to look into their surface morphology, optical characteristics, and crystal structure. These nanoparticles were also utilized in the photocatalytic reduction of rose bengal dye. The produced Mn2V2O7 NPs, with a crystal size of 26.03 nm, were found to have a monoclinic crystalline structure, according to XRD examination. To ascertain the form of the NPs, scanning electron microscopy was employed. Additionally, the produced NPs were used to detect urea via dropcasting and electrode modification methods. Before beginning any experiment, the electrodes were air-dried overnight. This work demonstrates the Mn2V2O7 NPs’ multifunctionality, which makes them attractive options for a range of uses, such as photocatalysis and sensing.