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Issue 19, 2009

Shape control of iron oxide nanoparticles

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Abstract

We present here a detailed overview on the effect of various synthesis parameters during the synthesis of iron oxide nanoparticles with different shapes, through decomposition of a preformed iron oleate complex, at high temperature. While this procedure has been previously shown to produce monodisperse magnetite spheres, the use of specific additives is demonstrated to allow for the preparation of strongly faceted iron oxide nanocrystals, with either cubic or octahedral shapes. Additionally, using squalene or octadecene as solvents was found to induce the reduction of the iron precursors and thereby lead to the formation of nanoparticles with core/shell (in the case of nanocubes) or island-like structures (in the case of octahedrons).

Graphical abstract: Shape control of iron oxide nanoparticles

Article information


Submitted
17 Dec 2008
Accepted
06 Feb 2009
First published
03 Mar 2009

Phys. Chem. Chem. Phys., 2009,11, 3762-3766
Article type
Paper

Shape control of iron oxide nanoparticles

A. Shavel and L. M. Liz-Marzán, Phys. Chem. Chem. Phys., 2009, 11, 3762 DOI: 10.1039/B822733K

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