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<p>By utilizing the in situ polymerization reaction of o-tolidine and p-phthalaldehyde, magnetic inorganic/organic hybrid materials were synthesized. Various characterization techniques were employed to analyze the morphology and phase composition of the materials. Using Rhodamine B as a characteristic pollutant, it was found that the maximum adsorption capacity of the materials reached 171.59&#xa0;mg/g. Density functional theory (DFT) calculations were conducted on different adsorption configurations, revealing that the adsorption process is primarily dominated by π–π interactions, alongside electrostatic attraction and donor–acceptor interactions. This provides a theoretical basis for the subsequent design and preparation of more efficient adsorption materials.</p>

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Preparation and characterization of magnetic nanocomposites for removal of organic dye Rhodamine B

  • 期刊论文

  • 发表日期：

    2025年10月29日

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  • Liuqing Li,
  • Zhengwen Wei,
  • Xiang-fei Lü,
  • Zhen-Yi Jiang,
  • Wei Wang

摘要

By utilizing the in situ polymerization reaction of o-tolidine and p-phthalaldehyde, magnetic inorganic/organic hybrid materials were synthesized. Various characterization techniques were employed to analyze the morphology and phase composition of the materials. Using Rhodamine B as a characteristic pollutant, it was found that the maximum adsorption capacity of the materials reached 171.59 mg/g. Density functional theory (DFT) calculations were conducted on different adsorption configurations, revealing that the adsorption process is primarily dominated by π–π interactions, alongside electrostatic attraction and donor–acceptor interactions. This provides a theoretical basis for the subsequent design and preparation of more efficient adsorption materials.