ESCA and TOF-SIMS Study on Oxidised and Reduced Polypyrrole-Poly(Vinylsulfonic Acid, Sodium Salt) Films Synthesized on Ti Electrodes

Figure 5

TOF-SIMS SI maps showing distribution of (a) H, C, NH, O, OH, C₂, CN, and S on the surface facing electrolyte of oxidized PPy-PVS film, (b) H, C, NH, O, C₂, CN, NO, and S on the surface facing electrode of oxidized PPy-PVS film, and (c and d) O, OH, C₂, CN, S, Na, and K on the surface facing electrolyte and electrode of reduced PPy-PVS film, for a 500×500 𝜇m² spot.

(a)

(b)

(c)

(d)