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Magnetic porous Fe3O4/carbon octahedra derived from iron-based metal-organic framework as heterogeneous Fenton-like catalyst
Li, Wenhui1,2; Wu, Xiaofeng1; Li, Shuangde1; Tang, Wenxiang1,3; Chen, Yunfa1
2018-04-01
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
卷号436页码:252-262
摘要The synthesis of effective and recyclable Fenton-like catalyst is still a key factor for advanced oxidation processes. Herein, magnetic porous Fe3O4/carbon octahedra were constructed by a two-step controlled calcination of iron-based metal organic framework. The porous octahedra were assembled by interpenetrated Fe3O4 nanoparticles coated with graphitic carbon layer, offering abundant mesoporous channels for the solid-liquid contact. Moreover, the oxygen-containing functional groups on the surface of graphitic carbon endow the catalysts with hydrophilic nature and well-dispersion into water. The porous Fe3O4/carbon octahedra show efficiently heterogeneous Fenton-like reactions for decomposing the organic dye methylene blue (MB) with the help of H2O2, and nearly 100% removal efficiency within 60 min. Furthermore, the magnetic catalyst retains the activity after ten cycles and can be easily separated by external magnetic field, indicating the long-term catalytic durability and recyclability. The good Fenton-like catalytic performance of the as-synthesized Fe3O4/carbon octahedra is ascribed to the unique mesoporous structure derived from MOF-framework, as well as the sacrificial role and stabilizing effect of graphitic carbon layer. This work provides a facile strategy for the controllable synthesis of integrated porous octahedral structure with graphitic carbon layer, and thereby the catalyst holds significant potential for wastewater treatment. (C) 2017 Elsevier B.V. All rights reserved.
关键词Magnetic Fe3o4 Octahedra Metal-organic Framework Graphitic Carbon Layer Fenton-like
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.apsusc.2017.11.151
收录类别SCI
语种英语
关键词[WOS]LITHIUM-ION BATTERIES ; ANODE MATERIALS ; METHYLENE-BLUE ; DEGRADATION ; NANOPARTICLES ; OXIDATION ; SURFACE ; SYSTEM ; SHELL ; WATER
WOS研究方向Chemistry ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
项目资助者National Natural Science Foundation of China(51672273) ; National Key Research and Development Program(2016YFC0207104)
WOS记录号WOS:000425723100028
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24024
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Connecticut, Inst Mat Sci, Storrs, CT 06269 USA
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Li, Wenhui,Wu, Xiaofeng,Li, Shuangde,et al. Magnetic porous Fe3O4/carbon octahedra derived from iron-based metal-organic framework as heterogeneous Fenton-like catalyst[J]. APPLIED SURFACE SCIENCE,2018,436:252-262.
APA Li, Wenhui,Wu, Xiaofeng,Li, Shuangde,Tang, Wenxiang,&Chen, Yunfa.(2018).Magnetic porous Fe3O4/carbon octahedra derived from iron-based metal-organic framework as heterogeneous Fenton-like catalyst.APPLIED SURFACE SCIENCE,436,252-262.
MLA Li, Wenhui,et al."Magnetic porous Fe3O4/carbon octahedra derived from iron-based metal-organic framework as heterogeneous Fenton-like catalyst".APPLIED SURFACE SCIENCE 436(2018):252-262.
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