Synthesis of Magnesium Oxide Nanoplates and Their Application in Nitrogen Dioxide and Sulfur Dioxide Adsorption

Figure 3

SEM images of nano-MgO prepared by the sol-gel method using different surfactants: (a) surfactant-free, (b) PEG, (c) CTAB, and (d) SDS.

(a)

(b)

(c)

(d)