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<p>The present study reports the synthesis of MnTiO<sub>3</sub> nanoparticles via an eco-friendly method using date extract as a bio-complexing agent, as well as their application as efficient heterogeneous photocatalysts for the degradation of methyl violet 2B (MV2B), a triphenylmethane dye widely used in the textile industry. The synthesized MnTiO<sub>3</sub> was characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), and scanning electron microscopy (SEM). The analysis was complemented by pH<sub>PZC</sub> measurements and band gap energy determination. To assess the photocatalyst effectiveness for the degradation of MV2B, various photocatalytic tests were carried out, and the effects of process parameters such as irradiation time, photocatalyst dosage, and solution pH were studied. A kinetic study using the Gabor Lente method was also performed. Furthermore, to evaluate the role of the date extract in MnTiO<sub>3</sub> synthesis, citric acid was tested as a complexing agent under the same conditions.</p>

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Synthesis of MnTiO3 nanoparticles using date extract for efficient photocatalytic degradation of triphenylmethane dye

  • 期刊论文

  • 发表日期：

    2026年5月19日

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  • Amina Benomara,
  • Malika Mokhtari,
  • Amel Boudjemaa

摘要

The present study reports the synthesis of MnTiO3 nanoparticles via an eco-friendly method using date extract as a bio-complexing agent, as well as their application as efficient heterogeneous photocatalysts for the degradation of methyl violet 2B (MV2B), a triphenylmethane dye widely used in the textile industry. The synthesized MnTiO3 was characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), and scanning electron microscopy (SEM). The analysis was complemented by pHPZC measurements and band gap energy determination. To assess the photocatalyst effectiveness for the degradation of MV2B, various photocatalytic tests were carried out, and the effects of process parameters such as irradiation time, photocatalyst dosage, and solution pH were studied. A kinetic study using the Gabor Lente method was also performed. Furthermore, to evaluate the role of the date extract in MnTiO3 synthesis, citric acid was tested as a complexing agent under the same conditions.