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<p>With the increasing environmental impact of organic dyes in water, a novel zinc-based metal–organic framework (MOF), [Zn(bdc)(bpb)]<sub><i>n</i></sub> (referred to as <b>1</b>), was presented in this study, and its photocatalytic degradation performance of organic dyes was investigated. The MOF exhibits excellent photocatalytic activity for the degradation of rhodamine B (Rh B) and methyl orange (MO) under visible light, achieving degradation efficiencies of 94.3% and 96.3% within 45&#xa0;min, respectively. Additionally, MOF <b>1</b> demonstrated remarkable reusability, maintaining high degradation efficiency (&gt; 82%) after three cycles. Mechanistic studies revealed the synergistic role of superoxide radicals, hydroxyl radicals, and photogenerated holes in the photocatalytic process. These findings highlight the potential of <b>1</b> as an efficient and sustainable photocatalyst for wastewater treatment.</p>

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Novel zinc-based metal–organic framework for the effective degradation of rhodamine B and methyl orange in aqueous solution

  • 期刊论文

  • 发表日期：

    2025年7月30日

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  • Xiangqian Li,
  • Miaoyuan Zhang,
  • Yutian Yan,
  • Haoxuan Sun,
  • Ming La,
  • Yucai Hu,
  • Qing Jia,
  • Zhengjie Ding,
  • Jiafei Su,
  • Changdong Chen,
  • Yongjun Han,
  • Shuang Ma

摘要

With the increasing environmental impact of organic dyes in water, a novel zinc-based metal–organic framework (MOF), [Zn(bdc)(bpb)]n (referred to as 1), was presented in this study, and its photocatalytic degradation performance of organic dyes was investigated. The MOF exhibits excellent photocatalytic activity for the degradation of rhodamine B (Rh B) and methyl orange (MO) under visible light, achieving degradation efficiencies of 94.3% and 96.3% within 45 min, respectively. Additionally, MOF 1 demonstrated remarkable reusability, maintaining high degradation efficiency (> 82%) after three cycles. Mechanistic studies revealed the synergistic role of superoxide radicals, hydroxyl radicals, and photogenerated holes in the photocatalytic process. These findings highlight the potential of 1 as an efficient and sustainable photocatalyst for wastewater treatment.