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<p>The present study provides crucial insights into the synthesis of Eu-doped 8YSZ nanomaterials with varying concentrations using the eco-friendly <i>Centella asiatica</i>-mediated combustion method. The successful formation of the compound was confirmed through PXRD analysis, revealing a calculated crystal size ranging from 28 to 34.7 nm. UV studies demonstrated a notable band gap variation between 3.3 and 4.3 eV, emphasizing the material’s potential for optical applications. Morphological analysis via SEM and HRTEM confirmed a distinctive flaky and agglomerated surface structure, reinforcing the unique properties of the synthesized nanomaterials. Importantly, photoluminescence studies indicated that 7&#xa0;mol% Eu-doped YSZ exhibited the lowest intensity, a key factor supporting its enhanced photocatalytic activity. Notably, this composition achieved an impressive 85.1% degradation of the IC dye within just 90 min under UV light, highlighting its effectiveness in photocatalytic applications. Furthermore, antibacterial studies demonstrated that 9&#xa0;mol% Eu-doped 8YSZ exhibited the highest inhibition, measuring 7.1 ± 0.6 mm against <i>Bacillus</i> and 9.1 ± 0.6 mm against <i>Pseudomonas</i>. These findings underscore the significant antibacterial potential of the synthesized nanoparticles, suggesting their ability to impede bacterial growth and potentially induce cell death. This research underscores the importance of Eu-doped 8YSZ as a multifunctional nanomaterial with promising applications in both photocatalysis and antibacterial treatments.</p>

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Green synthesis of Eu-doped yttria-stabilized zirconia, characterization, and its applications as photocatalyst and antibacterial activities

  • 期刊论文

  • 发表日期：

    2025年4月10日

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  • H. Gujjaramma,
  • K. Gurushantha,
  • S. Meena,
  • B. S. Krishna,
  • G. Shobha,
  • S. Shashidhar,
  • M. R Lokesh,
  • M. A. Sayed,
  • Mohd Shkir

摘要

The present study provides crucial insights into the synthesis of Eu-doped 8YSZ nanomaterials with varying concentrations using the eco-friendly Centella asiatica-mediated combustion method. The successful formation of the compound was confirmed through PXRD analysis, revealing a calculated crystal size ranging from 28 to 34.7 nm. UV studies demonstrated a notable band gap variation between 3.3 and 4.3 eV, emphasizing the material’s potential for optical applications. Morphological analysis via SEM and HRTEM confirmed a distinctive flaky and agglomerated surface structure, reinforcing the unique properties of the synthesized nanomaterials. Importantly, photoluminescence studies indicated that 7 mol% Eu-doped YSZ exhibited the lowest intensity, a key factor supporting its enhanced photocatalytic activity. Notably, this composition achieved an impressive 85.1% degradation of the IC dye within just 90 min under UV light, highlighting its effectiveness in photocatalytic applications. Furthermore, antibacterial studies demonstrated that 9 mol% Eu-doped 8YSZ exhibited the highest inhibition, measuring 7.1 ± 0.6 mm against Bacillus and 9.1 ± 0.6 mm against Pseudomonas. These findings underscore the significant antibacterial potential of the synthesized nanoparticles, suggesting their ability to impede bacterial growth and potentially induce cell death. This research underscores the importance of Eu-doped 8YSZ as a multifunctional nanomaterial with promising applications in both photocatalysis and antibacterial treatments.