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<p>In this study, perfluoroalkylated derivatives of benzoic acid <b>S-6</b> and <b>O-6</b> were designed and synthesized as supramolecular gelators using a simple one-step method. Both <b>S-6</b> and <b>O-6</b> could form gels in various organic solvents. Notably, these compounds have potential applications in environmental remediation, with <b>S-6</b> demonstrating significant promise for oil spill treatment. After five recycling cycles, the recovery rate of the gelation capacity for diesel oil remained above 90%. Xerogels derived from <b>O-6</b> at a concentration of 5 wt% in pump oil effectively adsorbed Rhodamine B (RhB). The adsorption process primarily involved chemical adsorption, electrostatic interactions between the <b>O-6</b> xerogel and the cationic RhB dye, as well as physical adsorption within the xerogel’s pores. In summary, benzoic acid derivatives represent a kind of multifunctional, recyclable, and efficient materials.</p>

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Perfluoroalkylated benzoic acid-based phase-selective supramolecular self-assembly system for dye removal

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月18日

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  • Qin-Hong Liang,
  • Ban-Peng Cao,
  • Lingfang Qiu,
  • Cha Ma,
  • Kenta Matsumoto,
  • Hiroaki Okamoto,
  • Qiang Xiao

摘要

In this study, perfluoroalkylated derivatives of benzoic acid S-6 and O-6 were designed and synthesized as supramolecular gelators using a simple one-step method. Both S-6 and O-6 could form gels in various organic solvents. Notably, these compounds have potential applications in environmental remediation, with S-6 demonstrating significant promise for oil spill treatment. After five recycling cycles, the recovery rate of the gelation capacity for diesel oil remained above 90%. Xerogels derived from O-6 at a concentration of 5 wt% in pump oil effectively adsorbed Rhodamine B (RhB). The adsorption process primarily involved chemical adsorption, electrostatic interactions between the O-6 xerogel and the cationic RhB dye, as well as physical adsorption within the xerogel’s pores. In summary, benzoic acid derivatives represent a kind of multifunctional, recyclable, and efficient materials.