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<p>In this study, V<sub>2</sub>O<sub>5</sub> nanoparticles were synthesized via a simple co-precipitation method and systematically investigated for their dual functionality in energy storage and photocatalysis. Structural and morphological characterizations confirmed the formation of phase-pure V<sub>2</sub>O<sub>5</sub> nanoparticles. Electrochemical analysis revealed a maximum specific capacitance of 220 F g⁻1 at a current density of 0.5 A g⁻1, demonstrating their strong potential as electrode materials for supercapacitor applications. In parallel, the photocatalytic activity of the nanoparticles was evaluated using Methylene Blue (MB) dye under visible-light irradiation. The V<sub>2</sub>O<sub>5</sub> nanoparticles achieved 71.6% degradation efficiency within 210 min, which can be attributed to the reduced band gap and effective photo-induced charge carrier separation. The multifunctional performance of V<sub>2</sub>O<sub>5</sub> nanoparticles affirms their suitability for electrochemical energy storage and environmental remediation applications.</p>

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Co-precipitated V2O5 nanoparticles for supercapacitor and photocatalytic applications

  • 期刊论文

  • 发表日期：

    2025年11月25日

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  • S. Nandakumar,
  • D. A. Nayana,
  • Nithya S. George,
  • Sandra P. Nair,
  • S. Athira,
  • Lolly Mariya Jose,
  • Aruna Joseph,
  • Javeesh Alex,
  • P. K. Manoj,
  • D. Sajan

摘要

In this study, V2O5 nanoparticles were synthesized via a simple co-precipitation method and systematically investigated for their dual functionality in energy storage and photocatalysis. Structural and morphological characterizations confirmed the formation of phase-pure V2O5 nanoparticles. Electrochemical analysis revealed a maximum specific capacitance of 220 F g⁻1 at a current density of 0.5 A g⁻1, demonstrating their strong potential as electrode materials for supercapacitor applications. In parallel, the photocatalytic activity of the nanoparticles was evaluated using Methylene Blue (MB) dye under visible-light irradiation. The V2O5 nanoparticles achieved 71.6% degradation efficiency within 210 min, which can be attributed to the reduced band gap and effective photo-induced charge carrier separation. The multifunctional performance of V2O5 nanoparticles affirms their suitability for electrochemical energy storage and environmental remediation applications.