Research Article

The Roll of NaPSS Surfactant on the Ceria Nanoparticles Embedding in Polypyrrole Films

Figure 7

SEM images for PPy-CeO2 NPs ((a) and (b)) and PPy-NaPSS-CeO2 NPs ((c) and (d)) nanocomposite films, electrodeposited from electrolytic aqueous solution containing pyrrole (0.4 moldm−3), CeO2 NPs (40 μgmL−1), and NaPSS (0.1 moldm−3).
(a)
(b)
(c)
(d)