期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 15, 期 1, 页码 591-594出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2015.8367
关键词
Magnetite; Porous/Hollow Structure; Template-Free; Oswald Ripening; One-Pot Process
类别
资金
- Ministry of Education, Science and Technology (MEST)
- National Research Foundation of Korea (NRF)
Magnetite Fe3O4 porous/hollow nanospheres were synthesized controllably through a one-pot template-free solvothermal process, requiring only FeCl3 center dot 6H(2)O as iron precursor and addition of ammonium acetate in an ethylene glycol solution. SEM observations indicated that the porous/hollow nanospheres were composed of numerous small grains. The initial concentrations of Fe precursor and ammonium acetate as well as the molar ratio of Fe precursor to ammonium acetate played crucial roles to control particle diameter and porosity of the Fe3O4 porous/hollow nanospheres. The Fe3O4 porous/hollow nanospheres exhibited a ferromagnetic behavior with high magnetization saturation.
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