Figure 1.
(a) TGA (W, Weight), derivative of TGA (dW/dT), and DSC (Heat Flow) of iron (III) oleate. (b) Size versus temperature for iron oxide nanoparticles synthesized by thermal decomposition of iron (III) oleate in 1-octadecene with a concentration of 0.1698 mmols of iron per gram of solution. Precursor was heated at 10°C/min until the specified temperature was reached, and a 1mL aliquot was removed from heat and quenched. Where indicated, the solution was allowed to age for a number of hours and another aliquot was taken. (c) and (d) are TEM micrographs of the particles synthesized at 290°C and 320°C, respectively. (e) Selected Area Diffraction Pattern from the 320°C sample, indexed as an inverse-spinel structure.