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Ce-based heterogeneous catalysts by partial thermal decomposition of Ce-MOFs in activation of peroxymonosulfate for the removal of organic pollutants under visible light
Zhao, Shiyin1,2; Li, Shun3,4; Long, Yangke1; Shen, Xuehua1; Zhao, Zhicheng4; Wei, Qiliang4; Wang, Shubin1,5; Zhang, Zhen1; Zhang, Xuanjun2; Zhang, Zuotai1
2021-10-01
Source PublicationChemosphere
ISSN0045-6535
Volume280
Abstract

Metal-organic framework (MOF) derivatives have drawn considerable attention for applications in various fields. In this work, spindle-shaped Ce-TCPPs were assembled by a rapid microwave-assisted hydrothermal method. After thermal treatment at low temperature under a N atmosphere, the Ce-TCPPs were partially pyrolyzed and converted to a novel CeO/N-doped carbon/Ce-TCPP nanocomposite. Compared to completely decomposed materials, these partially decomposed heterogeneous catalysts exhibited significantly higher photocatalytic activation ability toward PMS for the removal of organic pollutants (e.g., rhodamine B, methylene blue, methyl orange, tetracycline and oxytetracycline). For the optimized sample thermal treated at 450 °C, a 100 mL RhB solution (10 mg/L) can be removed within 20 min with the assistance of PMS under visible light. The significantly enhanced activity can be attributed to the effective spatial separation of photogenerated electrons and holes in the formed Z-scheme CeO/N-doped carbon/Ce-TCPP system. This work may provide useful guidance for the design and fabrication of MOF-derived photocatalytic systems for environmental remediation.

KeywordHeterostructures Mof Derivatives Peroxymonosulfate Pollutant Degradation Z-scheme Photocatalysts
DOI10.1016/j.chemosphere.2021.130637
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000662920300035
Scopus ID2-s2.0-85105831277
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Cited Times [WOS]:13   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
Corresponding AuthorLi, Shun; Zhang, Xuanjun; Zhang, Zuotai
Affiliation1.School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen, 518055, China
2.Cancer Centre and Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, 999078, China
3.Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
4.Foshan (Southern China) Institute for New Materials, Foshan, 528200, China
5.South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
First Author AffilicationCentre of Reproduction, Development and Aging
Corresponding Author AffilicationCentre of Reproduction, Development and Aging
Recommended Citation
GB/T 7714
Zhao, Shiyin,Li, Shun,Long, Yangke,et al. Ce-based heterogeneous catalysts by partial thermal decomposition of Ce-MOFs in activation of peroxymonosulfate for the removal of organic pollutants under visible light[J]. Chemosphere,2021,280.
APA Zhao, Shiyin,Li, Shun,Long, Yangke,Shen, Xuehua,Zhao, Zhicheng,Wei, Qiliang,Wang, Shubin,Zhang, Zhen,Zhang, Xuanjun,&Zhang, Zuotai.(2021).Ce-based heterogeneous catalysts by partial thermal decomposition of Ce-MOFs in activation of peroxymonosulfate for the removal of organic pollutants under visible light.Chemosphere,280.
MLA Zhao, Shiyin,et al."Ce-based heterogeneous catalysts by partial thermal decomposition of Ce-MOFs in activation of peroxymonosulfate for the removal of organic pollutants under visible light".Chemosphere 280(2021).
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