期刊
CHEMICAL ENGINEERING JOURNAL
卷 433, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2021.133605
关键词
Photocatalysis; Metal-organic frameworks; Modification; Wastewater treatment
资金
- Zhejiang Provincial Natural Science Foundation of China [LY18B060003]
- Initial Scientific Research Fund of Zhejiang Gongshang University [1260XJ2321044, 1260XJ2121013]
This review summarizes the typical modification strategies of MOFs for improving photocatalytic activities and discusses the applications of MOFs-based photocatalysts in wastewater treatment. The challenges and prospects of MOFs-based photocatalysts are proposed, aiming to provide meaningful references for future research in designing MOFs-based photocatalysts.
The environmental pollution is still one of the most serious problems facing mankind today, it is of great significance to develop novel wastewater treatment processes. Photocatalysis is regarded as one of the most promising techniques for wastewater treatment. Lately, there is a strong increase in the number of reports on the synthesis and applications of MOF-based photocatalysts. In this review, the typical modification strategies of MOFs for improving photocatalytic activities are summarized, such as optimization of preparation method, surface modification, doping metal ions, loading quantum dots as well as constructing the heterojunction. The main purposes of these modification strategies are to broaden the light absorption range of MOFs and increase the separation efficiency of photogenerated electron-hole pairs. Advantages and disadvantages of each modification strategy are also analyzed. Meanwhile, the applications of MOFs-based photocatalyst in wastewater treatment are briefly discussed, including reduction of metal ions, degradation of organic pollutants and inactivation of bacteria. More importantly, the challenges and outlooks about MOFs-based photocatalyst are proposed. In short, it is hoped that this review can provide some meaningful references for designing MOFs-based photocatalyst in future research.
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