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<p>Bi<sub>4</sub>Ti<sub>2</sub>Nb<sub>0.5</sub>Fe<sub>0.5</sub>O<sub>12</sub> (BTNF) was synthesised using a solid-state reaction route. The chemical composition, morphology, and crystal structure were evaluated via X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy, respectively. The multicatalytic performance was investigated in various advanced oxidation processes like photocatalysis, piezocatalysis, and combined photo-piezocatalysis. Methylene blue (MB) dye was employed as a model pollutant to evaluate the degradation performance. BTNF showed an excellent photo-piezocatalytic degradation performance of ~ 87% within 3&#xa0;h. Further, the degradation of Rhodamine B(RhB) and Methyl Violet (MV) dye was also evaluated in the photo-piezocatalysis process. The highest degradation rate of 0.0154&#xa0;min<sup>−1</sup> was obtained for MV dye, followed by 0.0131&#xa0;min<sup>−1</sup> for RhB dye and 0.0107&#xa0;min<sup>−1</sup> for MB dye.</p>

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Synergetic photocatalysis and piezocatalysis of Bi4Ti2Nb0.5Fe0.5O12 for degradation of organic pollutants

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月10日

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  • Ashis Kumar Moharana,
  • Pushpendra Kumar,
  • Rahul Vaish,
  • Imed Boukhris,
  • Norah Alomayrah,
  • M. S. Al-Buriahi

摘要

Bi4Ti2Nb0.5Fe0.5O12 (BTNF) was synthesised using a solid-state reaction route. The chemical composition, morphology, and crystal structure were evaluated via X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy, respectively. The multicatalytic performance was investigated in various advanced oxidation processes like photocatalysis, piezocatalysis, and combined photo-piezocatalysis. Methylene blue (MB) dye was employed as a model pollutant to evaluate the degradation performance. BTNF showed an excellent photo-piezocatalytic degradation performance of ~ 87% within 3 h. Further, the degradation of Rhodamine B(RhB) and Methyl Violet (MV) dye was also evaluated in the photo-piezocatalysis process. The highest degradation rate of 0.0154 min−1 was obtained for MV dye, followed by 0.0131 min−1 for RhB dye and 0.0107 min−1 for MB dye.