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<p>This study presents the eco-friendly synthesis of SnO₂ nano cornflowers using an aqueous extract of <i>Nerunji Mull</i> (<i>Tribulus terrestris</i>), a medicinal plant serving as both a chelating and binding agent. The green-synthesized nanostructures were thoroughly characterized using UV–Visible spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy, X-ray Diffraction (XRD), Thermogravimetric Analysis (TGA), and Electrochemical Impedance Spectroscopy (EIS) to assess their optical, structural, thermal, and electrochemical properties. The photocatalytic performance of the SnO₂ nano cornflowers was tested against methyl violet dye under visible light, demonstrating high degradation efficiency. Moreover, their stability and reusability were confirmed through successive photodegradation cycles. The enhanced photosensitivity, thermal stability, and durability of the material underscore its potential for practical environmental applications. This green approach not only contributes to sustainable nanotechnology but also offers a cost-effective and scalable solution for industrial wastewater treatment and environmental restoration.</p>

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Optical, thermal behaviour, high quantum yield and thermodynamically equilibrium, photodegradation of methyl violet textile dye utilized SnO₂ nano cornflower’s structure

  • 期刊论文

  • 发表日期：

    2026年3月13日

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  • S. Srinivasan,
  • A. Rathinavelu,
  • N. Karpagam,
  • V. T. Priya,
  • S. Vijayakumar,
  • B. Karthi,
  • Santhanam Mohan

摘要

This study presents the eco-friendly synthesis of SnO₂ nano cornflowers using an aqueous extract of Nerunji Mull (Tribulus terrestris), a medicinal plant serving as both a chelating and binding agent. The green-synthesized nanostructures were thoroughly characterized using UV–Visible spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy, X-ray Diffraction (XRD), Thermogravimetric Analysis (TGA), and Electrochemical Impedance Spectroscopy (EIS) to assess their optical, structural, thermal, and electrochemical properties. The photocatalytic performance of the SnO₂ nano cornflowers was tested against methyl violet dye under visible light, demonstrating high degradation efficiency. Moreover, their stability and reusability were confirmed through successive photodegradation cycles. The enhanced photosensitivity, thermal stability, and durability of the material underscore its potential for practical environmental applications. This green approach not only contributes to sustainable nanotechnology but also offers a cost-effective and scalable solution for industrial wastewater treatment and environmental restoration.