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Title: Influence of synthesis experimental parameters on the formation of magnetite nanoparticles prepared by polyol method
Authors: Vega Chacón, Jaime
Picasso Escobar, Gino Italo
Avilés Félix, Luis Steven
Jafelicci Jr, Miguel
Keywords: Superparamagnetic magnetite;Thermal decomposition;Polyol method;Magnetite nanoparticle
Issue Date: Feb-2016
Publisher: Institute of Physics Publishing
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Abstract: In this paper we present a modified polyol method for synthesizing magnetite nanoparticles using iron (III) nitrate, a low toxic and cheap precursor salt. The influence of the precursor salt nature and initial ferric concentration in the average particle size and magnetic properties of the obtained nanoparticles were investigated. Magnetite nanoparticles have received much attention due to the multiple uses in the biomedical field; for these purposes nanoparticles with monodisperse size distribution, superparamagnetic behavior and a combination between small average size and high saturation magnetization are required. The polyol conventional method allows synthesizing water-dispersible magnetite nanoparticles with these features employing iron (III) acetylacetonate as precursor salt. Although the particle sizes of samples synthesized from the conventional polyol method (denoted CM) are larger than those of samples synthesized from the modified method (denoted MM), they display similar saturation magnetization. The differences in the nanoparticles average sizes of samples CM and samples MM were explained though the known nanoparticle formation mechanism.
ISSN: 20436262
Rights: info:eu-repo/semantics/restrictedAccess
Appears in Collections:Instituto General de Investigación (IGI)

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