Research Article

Multilayer Films Electrodes Consisted of Cashew Gum and Polyaniline Assembled by the Layer-by-Layer Technique: Electrochemical Characterization and Its Use for Dopamine Determination

Figure 6

(a) Cyclic voltammograms for LbL films from (PANI-PA/CG)6 in 0.1 mol L−1 HCl solution in the presence of DA at concentrations ranging from 0.01 mmol L−1 to 0.23 mmol L−1 (from bottom to top). (b) The dependence of peak current ( ) on the DA concentration. Scan rate: 50 mV s−1.