Preparation and Characterization of Hollow Superparamagnetic Fe3O4 Nanospheres

Journal of Inorganic Materials

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Preparation and Characterization of Hollow Superparamagnetic Fe₃O₄ Nanospheres

MA Wen-Zhe; QIAN Xue-Feng; YIN Jie; ZHU Zi-Kang

The School of Chemistry & Chemical Technology; Shanghai Jiaotong University; Shanghai 200240; China

Received:2003-10-10 Revised:2003-11-07 Published:2004-11-20 Online:2004-11-20

Abstract

Abstract: Hollow superparamagnetic Fe₃O₄ nanospheres were prepared by co-precipitating iron (Ⅱ) and iron (Ⅲ) chloride salts in the presence of sodium hydroxide at 80℃. Triblock copoly-mer F127 was used as template. The nanospheres were characterized by XRD and TEM. The experimental results show that the Fe₃O₄ hollow nanospheres are uniform and well dispersed, the diameter is from 55 to 75nm and the shell thickness is about 7nm.

Key words: hollow, superparamagnetic, nanospheres, Fe₃O₄, F127

CLC Number:

TF123

MA Wen-Zhe,QIAN Xue-Feng,YIN Jie,ZHU Zi-Kang. Preparation and Characterization of Hollow Superparamagnetic Fe₃O₄ Nanospheres[J]. Journal of Inorganic Materials.

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Preparation and Characterization of Hollow Superparamagnetic Fe₃O₄ Nanospheres

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