INFLUENCE OF MONOMER CONCENTRATION AND ELECTRODE CONDUCTIVITY ON MORPHOLOGY OF POLY (O-ANISIDINE) FILMS

The influence of monomer concentration and electrode conductivity on t he morphology of electrochemically deposited poly (o-anisidine) films has been investigated using scanning electron microscopy. The films ar e found to exhibit a fibrillar morphology, except on lower conductivit y electrodes and at lower concentrations of the monomer. The monomer c oncentration predominantly governs the rate of reaction and deposition of films; the effect of which is observed in terms of various types o f patterning of fibres, namely anastomistic, reticulate, stillate, fla bellate and so on. The number density of fibres is seen to be affected by the electrode conductivity.