Nanotechnology
Nanotechnology
5 years ago

Influence of experimental parameters on iron oxide nanoparticles properties synthesized by thermal decomposition: size and nuclear magnetic resonance studies.

Dimitri Stanici, Sarah Belaid, Sophie Laurent, Luce Vander Elst, Robert Nathan Muller
The study of the experimental conditions to synthetize monodisperse iron oxide nanocrystals prepared from the thermal decomposition of iron (III) acetylacetonate in the presence of surfactants and reducing agent was carried out. The influence of temperature, synthesis time and surfactant amounts on nanoparticle properties are reported. This investigation combines the relaxometric characterization and size properties. The relaxometric behavior of nanomaterials depends on the selected experimental parameters. The synthesis of iron oxide nanoparticles with a high relaxivity and a high saturation magnetization can be obtained with a short reaction time at high temperature. Moreover, the influence of surfactant concentrations determines the optimal value in order to produce iron oxide nanoparticles with a narrow size distribution. The optimized synthesis is rapid, robust and reproductive, and produces nearly monodisperse magnetic nanocrystals.

Publisher URL: http://doi.org/10.1088/1361-6528/aaae59

DOI: 10.1088/1361-6528/aaae59

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