MgO nanostructures are synthesized at various amounts of activated carbon and Mg powders.
The morphology of MgO products is revealed by FESEM images as shown in Fig. 1 (b)-(e). It was
found that MgO exhibit the nanoparticles size for all samples. The diameters of MgO nanoparticles
were measured from FESEM micrographs. The average particles size and the range of MgO
diameters for different mass ratio of C:Mg are shown in Table 1. Table 1 shows the effect of
activated carbon and Mg powders mass ratio on the diameter of MgO, it was observed that the
diameter of MgO is increases with the increasing of the mass ratio. Fig. 1 (c) shows that, the
average of the smallest particles size is about 50 nm.