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

Figure 5

FE-SEM and FE-TEM images of Ppy half hollow spheres produced with (a, e) 0.6, (b, f) 1.2, (c, g) 1.8, and (d, h) 2.4 mL of pyrrole.