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Highly efficient and recyclable catalyst: porous Fe3O4-Au magnetic nanocomposites with tailored synthesis
Y. C. Kou,T. Wu,G. L. Xing,X. H. Huang,D. L. Han,S. Yang,C. Z. Guo,W. Gao,J. H. Yang,Y. Liu and D. D. Wang
2020
发表期刊Nanotechnology
ISSN0957-4484
卷号31期号:22页码:12
摘要In this work, we reported the tailored design of highly efficient Fe3O4-Au magnetic nanocomposite (MNP) catalysts. Fe3O4 nanocrystals with three different morphologies have been developed with engineered amounts of urea, and the plausible mechanism has been proposed. Then by controlling the amount of Au seeds, Fe3O4-Au MNPs with different morphologies and tunable Au deposition have been realized. Characterizations including x-ray diffraction (XRD), transmission electron microscopy (TEM), Mossbauer spectra, and elemental mapping are implemented to unveil the structural and physical characteristics of the successfully developed Fe3O4-Au MNPs with different morphologies. The catalytic ability of Fe3O4-Au MNPs with different morphologies have been compared by applying them to degrading RhB and 4-NP, meanwhile the correlation between the amount of Au seeds and the turnover frequency as well as the catalytic ability of Fe3O4-Au MNPs is investigated systematically. We found that the flower-like Fe3O4-Au MNPs with 20 ml Au seeds added achieved the best degradation efficiency of 96.7%, and their catalytic ability were almost unchanged after recycling. Out study sheds the light into the tailored design of highly efficient and recyclable catalysts for RhB and 4-NP.
DOI10.1088/1361-6528/ab767b
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收录类别SCI ; EI
语种英语
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/64561
专题中国科学院长春光学精密机械与物理研究所
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GB/T 7714
Y. C. Kou,T. Wu,G. L. Xing,X. H. Huang,D. L. Han,S. Yang,C. Z. Guo,W. Gao,J. H. Yang,Y. Liu and D. D. Wang. Highly efficient and recyclable catalyst: porous Fe3O4-Au magnetic nanocomposites with tailored synthesis[J]. Nanotechnology,2020,31(22):12.
APA Y. C. Kou,T. Wu,G. L. Xing,X. H. Huang,D. L. Han,S. Yang,C. Z. Guo,W. Gao,J. H. Yang,Y. Liu and D. D. Wang.(2020).Highly efficient and recyclable catalyst: porous Fe3O4-Au magnetic nanocomposites with tailored synthesis.Nanotechnology,31(22),12.
MLA Y. C. Kou,T. Wu,G. L. Xing,X. H. Huang,D. L. Han,S. Yang,C. Z. Guo,W. Gao,J. H. Yang,Y. Liu and D. D. Wang."Highly efficient and recyclable catalyst: porous Fe3O4-Au magnetic nanocomposites with tailored synthesis".Nanotechnology 31.22(2020):12.
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