Research Article

Asymmetric Composite Nanoparticles with Anisotropic Surface Functionalities

Figure 2

TEM images of (a) asymmetric nanocomposites with only carboxyl group on the polystyrene nodule, (b) dual-functionalized asymmetric nanocomposites with carboxyl groups on polystyrene nodules and amino groups on silica surface.
620269.fig.002a
(a)
620269.fig.002b
(b)