Journal
CURRENT NANOSCIENCE
Volume 5, Issue 4, Pages 485-488Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/157341309789378050
Keywords
Solvothermal synthesis; microwave heating; nanoporous magnetic microspheres
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Funding
- National Key Basic Research Program 973 [2005CB723400-G, 2010CB933900]
- National 863 Hi-tech [2007AA0 22004]
- National Natural Scientific Fund [20771075]
- Shanghai [0752nm024]
- Important National Science & Technology Specific [2009ZX 10004-311]
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Nanoporous Fe3O4 magnetic microspheres have been successfully synthesized by the way of microwave heating. The experimental process is expeditious, simple and environmentally friendly. The obtained sample is characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Brunauer-Emmett-Teller analysis (BET), Fourier transform infrared (FT-IR), high-resolution transmission electron microscopy (HRTEM) and magnetic measurements. The average size of Fe3O4 microspheres is similar to 100nm and shows well-dispersed quality in aqueous solution. More importantly, the microspheres possess both nanoporous structure and superparamagnetic behaviour, which endow them powerful application potentials in chemical, biological/biomedical, physical and environmental engineering fields, for example, catalyst or drug carrier, absorption, separation and contrast agents, etc.
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