Research Article

Synthesis and Electroanalytical Performance of a Composite Material Based on Poly(3,4-ethylenedioxythiophene) Doped with Lignosulfonate

Figure 5

XPS core-level spectra of O(1s) (a, c) and S(2p) bands (c, d) for PEDOT/ClO4 (a, b) and PEDOT/LS (c, d) composite.
130980.fig.005a
(a)
130980.fig.005b
(b)
130980.fig.005c
(c)
130980.fig.005d
(d)