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

IF 3.5 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Research on Chemical Intermediates Pub Date : 2025-07-30 DOI:10.1007/s11164-025-05689-z

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

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Abstract

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.

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新型锌基金属有机骨架在水溶液中有效降解罗丹明B和甲基橙

随着水中有机染料对环境的影响越来越大，本研究提出了一种新型锌基金属有机骨架（MOF） [Zn(bdc)(bpb)]n（简称1），并研究了其光催化降解有机染料的性能。MOF在可见光下对罗丹明B （Rh B）和甲基橙（MO）表现出良好的光催化活性，在45 min内降解效率分别达到94.3%和96.3%。此外，MOF 1表现出显著的可重用性，在三次循环后保持较高的降解效率（> 82%）。机理研究揭示了超氧自由基、羟基自由基和光生空穴在光催化过程中的协同作用。这些发现突出了1作为一种高效和可持续的废水处理光催化剂的潜力。

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来源期刊

Research on Chemical Intermediates 化学-化学综合

CiteScore

5.70

自引率

18.20%

发文量

229

审稿时长

2.6 months

期刊介绍： Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of chemistry. The journal also contains articles in related disciplines such as spectroscopy, molecular biology and biochemistry, atmospheric and environmental sciences, catalysis, photochemistry and photophysics. In addition, special issues dedicated to specific topics in the field are regularly published.