Synthesis and Control of the Shell Thickness of Polyaniline and Polypyrrole Half Hollow Spheres Using the Polystyrene Cores

Figure 4

FE-SEM and FE-TEM images of Pani half hollow spheres made with (a, f) 1.2, (b, g) 2.4, (c, h) 3.6, (d, i) 4.8, and (e, j) 6.0 mL of aniline.