One-Step Synthesis of TiO₂/Perlite Composites by Flame Spray Pyrolysis and Their Photocatalytic Behavior

Figure 5

Scanning electron microscopy (SEM) micrographs of pure perlite (a), composite TiO₂/perlite (b), and elemental mapping for the FSPD sample using energy dispersive spectroscopy (c). Red colour corresponds to Si and green to Ti.

(a)

(b)

(c)