核壳型磁铁矿@MOF 复合材料的磁性降低。
Reduced Magnetism in Core-Shell Magnetite@MOF Composites.
机构信息
Chemistry Department, Faculty of Science, Alexandria University , P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt.
Energy and Environment Directorate, Pacific Northwest National Laboratory , Richland, Washington 99352, United States.
出版信息
Nano Lett. 2017 Nov 8;17(11):6968-6973. doi: 10.1021/acs.nanolett.7b03451. Epub 2017 Oct 24.
The magnetic susceptibility of synthesized magnetite (FeO) microspheres was found to decline after the growth of a metal-organic framework (MOF) shell on the magnetite core. Detailed structural analysis of the core-shell particles using scanning electron microscopy, transmission electron microscopy, atom probe tomography, andFe-Mössbauer spectroscopy suggests that the distribution of MOF precursors inside the magnetic core resulted in the oxidation of the iron oxide core.
合成的磁铁矿（FeO）微球的磁化率在磁铁矿核上生长金属有机骨架（MOF）壳后下降。使用扫描电子显微镜、透射电子显微镜、原子探针断层扫描和 Fe-Mössbauer 光谱对核壳颗粒进行的详细结构分析表明，MOF 前体在磁性核内的分布导致了氧化铁核的氧化。
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