The lack of reproducibility from the magnetite nanoparticle synthesis literature has brought into question the composition of the iron(III) carboxylate precursors. In the preparation of homoleptic species of iron(III) carboxylates, the reproducibility of the iron product has required air- and water-free techniques. Unless synthesized in an inert atmosphere, the oxophilicity of iron leads to iron(III) carboxylates that are likely dimeric to polymeric in nature. These species may contain water or oxide ligands that contribute to the final Fe:O ratio in the magnetite nanoparticles. In this study we will present our findings of the differences between iron(III) carboxylate precursors synthesized under an inert atmosphere and under literature conditions. We will show how precursor purity contributes to the final nanoparticle product reproducibility.

Synthesis of magnetite nanoparticles through select iron(III) carboxylate precursors

245th National Meeting (2013)

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