Reduced Magnetism in Core-Shell Magnetite@MOF Composites

被引：53

作者：

Elsaidi, Sameh K. ^{[1
,3
]}

Sinnwell, Michael A. ^{[1
]}

Banerjee, Debasis ^{[1
]}

Devaraj, Aran ^{[1
]}

Kukkadapu, Ravi K. ^{[2
]}

Droubay, Timothy C. ^{[1
]}

Nie, Zimin ^{[5
]}

Kovarik, Libor ^{[2
]}

Vijayakumar, Muragesan ^{[2
]}

Manandhar, Sandeep ^{[1
,4
]}

Nandasiri, Manjula ^{[2
]}

McGrail, B. Peter ^{[5
]}

Thallapally, Praveen K. ^{[1
]}

机构：

[1] Pacific Northwest Natl Lab, Phys & Computat Sci Directorate, Richland, WA 99352 USA

[2] Pacific Northwest Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA

[3] Alexandria Univ, Fac Sci, Chem Dept, POB 426, Alexandria 21321, Egypt

[4] Univ Texas El Paso, Dept Mech Engn, El Paso, TX 79968 USA

[5] Pacific Northwest Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA

来源：

NANO LETTERS | 2017年 / 17卷 / 11期

关键词：

Metal-organic framework; MOF; magnetite; core-shell magnetic microparticle; Mossbauer spectroscopy; atom probe tomography; METAL-ORGANIC FRAMEWORK; ENVIRONMENTAL WATER SAMPLES; IRON-OXIDE NANOPARTICLES; SOLID-PHASE EXTRACTION; BIOMEDICAL APPLICATIONS; EFFICIENT REMOVAL; PROBE TOMOGRAPHY; MICROSPHERES; PARTICLES; CAPTURE;

D O I：

10.1021/acs.nanolett.7b03451

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The magnetic susceptibility of synthesized magnetite (Fe3O4) 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, and(57)Fe-Mossbauer spectroscopy suggests that the distribution of MOF precursors inside the magnetic core resulted in the oxidation of the iron oxide core.

引用

页码：6968 / 6973

页数：6

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