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

Table 3

Percentage of the various binding energies of elemental composite (N=C, NH, and 𝑁𝐻⁺) for PPy-PVS oxidised and reduced films of the film surfaces calculated from ESCA data, using values of atomic sensitivity factors (relative to C 1s), 𝜎_𝑖 [21].

	% (Binding energy (eV))
PPy/PVS film	N=C	NH	NH^+
Oxidised
(a) Electrolyte side	7.6 (398.1)	67.3 (399.6)	25.1 (400.8)
(b) Electrode side	6.7 (398.2)	66.7 (399.7)	26.6 (400.8)
Reduced
(a) Electrolyte side	16.3 (398.2)	59.5 (400.1)	24.2 (401.1)
(b) Electrode side	17.8 (398.2)	67.7 (400.1)	14.5 (400.8)