Template-Free Synthesis and Characterization of Monodisperse Magnetite Hollow Nanoparticles Through Solvothermal Process
Monodispersed Fe3O4 nanospheres with hollow interior structures were synthesized without any template. Those nanoparticles exhibited a ferromagnetic behavior with a high saturation magnetization of 81.0 emu g−1. The hollow structure was formed
based on the aggregation of many primary particles, followed by Oswald ripening process. Due to the energy difference between the outer and interior particles in the aggregates, the inner particles migrated to the outer shell. This resulted in the formation of the empty space inside nanostructures.
Document Type: Research Article
Publication date: 01 August 2013
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