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<p>The aim of research focused on synthesis of cost-effective Ag-CdFe<sub>2</sub>O<sub>4</sub> nanoparticle (ACF NPs) by <i>Tulasi Leaves</i> (TL) extract assisted solution combustion route. The impact of Ag on structural, compositional, optical, catalytically, and electronic properties of CdFe<sub>2</sub>O<sub>4</sub> NPs was examined. The structural cubic spinel considerations associated with crystallinity and average crystallite sizes (22.4 and 20.45 nm) of synthesized samples were investigated by X-ray diffraction studies. The lower band-gap energy of ACF (2.5 eV) than CF NPs (3.5 eV) was noted using UV-visible spectral analysis and effectively enhancing in synergistic effect on photocatalytic ability facilitated by trapping electrons and holes. It perceptions to have been examined for FT-IR outcome and confirms bonding linkages of Cd–O/Fe-O/Cd-O-Fe (M−O−M) at finger print region (400 to 1400 cm<sup>−1</sup>). An excellent photo-dye degradation action of synthesized ACF sample towards MG (malachite green) dye was measured (99%) than CF NPs under sunlight irradiation. Enhanced electrochemical measurements of graphite assisted modified ACF electrode in 0.1M KCl under 3-elctrode system was examined by CV and EIS studies. An assembly of sustainable nano-graphite sensor devices were explored for electrochemical sensing of 4-hydroxyacetanilide and lithium ion under best conditions (pH = 7.0) with different concentrations of sensing range 1–5 μM; LOD and LOQ are recorded to be 1.0 μM and 13.9, respectively. The prepared ACF NPs have great efficient and promising material for future fabrication of dynamic electrochemical sensor and photocatalysts towards detection and degradation of toxic dyes.</p>

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Electrochemical sensitive detection of green-mediated Ag-CdFe2O4 NPs against lithium ion with 4-hydroxyacetanilide and sunlight driven photocatalytic activity

  • 期刊论文

  • 发表日期：

    2025年4月23日

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  • B. S. Surendra,
  • H. N. Sowmya,
  • K. N. Harish,
  • M. Bhaskar,
  • Kiran T,
  • Prashanth T,
  • N. Basavaraju,
  • Sathish Reddy,
  • P. K. Sharanya

摘要

The aim of research focused on synthesis of cost-effective Ag-CdFe2O4 nanoparticle (ACF NPs) by Tulasi Leaves (TL) extract assisted solution combustion route. The impact of Ag on structural, compositional, optical, catalytically, and electronic properties of CdFe2O4 NPs was examined. The structural cubic spinel considerations associated with crystallinity and average crystallite sizes (22.4 and 20.45 nm) of synthesized samples were investigated by X-ray diffraction studies. The lower band-gap energy of ACF (2.5 eV) than CF NPs (3.5 eV) was noted using UV-visible spectral analysis and effectively enhancing in synergistic effect on photocatalytic ability facilitated by trapping electrons and holes. It perceptions to have been examined for FT-IR outcome and confirms bonding linkages of Cd–O/Fe-O/Cd-O-Fe (M−O−M) at finger print region (400 to 1400 cm−1). An excellent photo-dye degradation action of synthesized ACF sample towards MG (malachite green) dye was measured (99%) than CF NPs under sunlight irradiation. Enhanced electrochemical measurements of graphite assisted modified ACF electrode in 0.1M KCl under 3-elctrode system was examined by CV and EIS studies. An assembly of sustainable nano-graphite sensor devices were explored for electrochemical sensing of 4-hydroxyacetanilide and lithium ion under best conditions (pH = 7.0) with different concentrations of sensing range 1–5 μM; LOD and LOQ are recorded to be 1.0 μM and 13.9, respectively. The prepared ACF NPs have great efficient and promising material for future fabrication of dynamic electrochemical sensor and photocatalysts towards detection and degradation of toxic dyes.