Review Article

Synthesis of Silica Nanoparticles by Sol-Gel: Size-Dependent Properties, Surface Modification, and Applications in Silica-Polymer Nanocomposites—A Review

Figure 12

SEM-EDX Si mapping showing the distribution of silica in silica-bismaleimide nanocomposites (bright spots indicate Si elements from the fillers).
132424.fig.0012a
(a) Direct melting process
132424.fig.0012b
(b) Pretreatment process