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<p>In this work, a binary Nd<sub>2</sub>O<sub>3</sub>-anatase TiO<sub>2</sub> nanocomposite (NT-NC) was prepared by a straightforward hydrothermal process to realize enhanced photocatalytic activity against methylene blue (MB) dye degradation under UV irradiation. NT-NC’s synergistic effect has resulted in low electron–hole pair recombination and the&#xa0;experiments with radical quenching showed that OH• radicals played a major role in the degradation process. The maximum degradation efficiency attained for the prepared NT-NC is 95.78% under the designated UV source within 120 min&#xa0;with the reaction rate constant of 0.0214&#xa0;min⁻<sup>1</sup>. This could be attributed to Advanced Oxidation Process (AOP). A detailed explanation of the possible photodegradation mechanism of the NT-NC photocatalyst was presented. This research offers a fresh perspective on an alternative approach to&#xa0;the removal of the organic dye, MB as a chemical pollutant.</p>

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Enhanced photocatalytic behavior of plate-like Nd2O3-anatase TiO2 nanocomposite against methylene blue (MB) dye under UV irradiation

  • 期刊论文

  • 发表日期：

    2025年3月20日

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  • M. Sivakumar,
  • S. M. Fathima Khyrun,
  • A. Jegatha Christy,
  • K. Sankaranarayanan

摘要

In this work, a binary Nd2O3-anatase TiO2 nanocomposite (NT-NC) was prepared by a straightforward hydrothermal process to realize enhanced photocatalytic activity against methylene blue (MB) dye degradation under UV irradiation. NT-NC’s synergistic effect has resulted in low electron–hole pair recombination and the experiments with radical quenching showed that OH• radicals played a major role in the degradation process. The maximum degradation efficiency attained for the prepared NT-NC is 95.78% under the designated UV source within 120 min with the reaction rate constant of 0.0214 min⁻1. This could be attributed to Advanced Oxidation Process (AOP). A detailed explanation of the possible photodegradation mechanism of the NT-NC photocatalyst was presented. This research offers a fresh perspective on an alternative approach to the removal of the organic dye, MB as a chemical pollutant.