Synthesis of Conductive PPy/SiO₂ Aerogels Nanocomposites by In Situ Polymerization of Pyrrole

Figure 4

TEM micrographs of SiO₂ aerogel (a and b) and SiO₂/PPy nanocomposites prepared with different initial pyrrole concentrations: (c) 0.2 mol/L, (d) 0.3 mol/L, and (e) 0.4 mol/L. Insert in (a) is an electron diffraction pattern of a SiO₂ particle.

(a)

(b)

(c)

(d)

(e)