PREPARATION OF IRON OR IRON OXIDE NANOPARTICLES

摘要

The present teachings are directed towards a thermolysis method of produc ing iron- containing nanoparticles by providing an iron-containing component , a colloid stabilizing component, and an amount of water. The iron-containi ng component, the colloid stabilizing component, and the amount of water for m a mixture, which is then heated to a temperature sufficient to form iron-c ontaining nanoparticles, which are then isolated from the mixture. Another m ethod is also provided which involves a repetitive shell growth method of pr oducing iron-containing nanoparticles by providing a first amount of an iron -containing component and a colloid stabilizing component; the iron-containi ng component and the colloid stabilizing component are then mixed and heated to a temperature sufficient to form iron-containing nanoparticles. The mixt ure is allowed to cool to room temperature, and an additional amount of iron -containing component is added to the mixture, which is then reheated to rea ction temperature, and the process is repeated until the isolated iron-conta ining nanoparticles obtain the desired size.