Journal
RSC ADVANCES
Volume 5, Issue 3, Pages 1705-1711Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra10094h
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Funding
- National Natural Science Foundation of China [21207148]
- National Key Technology RD Program [2012BAC07B02]
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Novel chrysanthemum-like 3D hierarchical magnetic gamma-Fe2O3 and Fe3O4 superstructures self-assembled by nanobelts have been successfully synthesized through a simple one-pot solvothermal route without using structure-directing additives. The morphology and structure of the sample depend strongly on the reaction time. gamma-Fe2O3 and Fe3O4 with superparamagnetic properties were obtained by thermal transformation of the precursor without changing the overall architectures. A possible formation mechanism of the chrysanthemum-like 3D hierarchical precursor was proposed. The BET surface area and the magnetic properties of the prepared gamma-Fe2O3 and Fe3O4 were investigated. In addition, the adsorption capacity of the as-prepared magnetic iron oxide for organic pollutants was also determined by using 2,4-dichlorophenol and 2,4,6-trichlorophenol as probe pollutants.
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