Solvothermal synthesis of CoFe2O4 hollow spheres

Hollow CoFe2O4 spheres consisted of CoFe2O4 nanoparticles were synthesized by a facile solvothermal treatment of an ethylene glycol solution of FeCl3 · 6H2O, CoCl2 · 6H2O, and NaAc at 200 °C in the presence of polyethylene glycol and oleic acid. The products were characterized by powder X-ray diffra...

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Veröffentlicht in:	Journal of materials science 2007-12, Vol.42 (24), p.10113-10117
Hauptverfasser:	Liu, Qi, Lai, Lifang, Fu, Xiujuan, Zhu, Fangping, Sun, Jianhua, Rong, Hongren, He, Mingyang, Chen, Qun, Xu, Zheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical synthesis methods Cobalt ferrites Cross-disciplinary physics: materials science rheology Electron diffraction Ethylene glycol Exact sciences and technology Ferric chloride Iron chlorides Magnetic properties Materials science Methods of nanofabrication Microscopy Nanoparticles Oleic acid Physics Polyethylene glycol Scanning electron microscopy Transmission electron microscopy X ray powder diffraction X-ray diffraction
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Zusammenfassung:	Hollow CoFe2O4 spheres consisted of CoFe2O4 nanoparticles were synthesized by a facile solvothermal treatment of an ethylene glycol solution of FeCl3 · 6H2O, CoCl2 · 6H2O, and NaAc at 200 °C in the presence of polyethylene glycol and oleic acid. The products were characterized by powder X-ray diffraction, transmission electron microscopy, selected area electron diffraction, high-resolution transmission microscopy, scanning electron microscopy. The magnetic properties were evaluated using a vibrating sample magnetometer. The probable mechanism of the formation of Hollow CoFe2O4 spheres was discussed.
ISSN:	0022-2461 1573-4803
DOI:	10.1007/s10853-007-2075-y