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<p>This study reports an eco-friendly microwave-assisted synthesis of cube-like mesoporous potassium tantalate (KTaO₃) nanoparticles using areca seed as a green fuel. Comprehensive structural and morphological characterizations confirmed the formation of highly crystalline, mesoporous KTaO₃ with a unique cubic morphology. Electrochemical evaluations demonstrated excellent lithium-ion battery anode performance, featuring a high reversible capacity of 610 mAh g⁻¹, outstanding cycling stability over 500 cycles, remarkable rate capability up to 3&#xa0;C, and a coulombic efficiency of &gt; 95%. Additionally, the material exhibited superior electrocatalytic activity for non-enzymatic glucose sensing, attributed to enhanced electron transfer and high surface area. The synthesis approach combines sustainability with multifunctionality, offering a promising pathway to develop advanced materials for energy storage and biomedical sensing applications.</p> Graphical Abstract <p></p>

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Microwave assisted green synthesis of cube-like mesoporous KTaO₃ for high performance lithium-ion battery anode and glucose sensing applications

  • 期刊论文

  • 发表日期：

    2025年12月2日

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  • Harini R,
  • Sunil T D,
  • Udayabhanu,
  • Sumedha H N,
  • Praveen B M,
  • Nagaraju G

摘要

This study reports an eco-friendly microwave-assisted synthesis of cube-like mesoporous potassium tantalate (KTaO₃) nanoparticles using areca seed as a green fuel. Comprehensive structural and morphological characterizations confirmed the formation of highly crystalline, mesoporous KTaO₃ with a unique cubic morphology. Electrochemical evaluations demonstrated excellent lithium-ion battery anode performance, featuring a high reversible capacity of 610 mAh g⁻¹, outstanding cycling stability over 500 cycles, remarkable rate capability up to 3 C, and a coulombic efficiency of > 95%. Additionally, the material exhibited superior electrocatalytic activity for non-enzymatic glucose sensing, attributed to enhanced electron transfer and high surface area. The synthesis approach combines sustainability with multifunctionality, offering a promising pathway to develop advanced materials for energy storage and biomedical sensing applications.

Graphical Abstract