A nanostructured poly(5-amino-2-naphthalene sulfonic acid) (nanostructured PANS) electrode has been prepared using cetyltrimethyl ammonium bromide (CTAB) as a soft template by potentiodynamic method. The effect of CTAB at various concentrations was analyzed during electrochemical synthesis of the PANS electrode. As the concentration was near to cmc of CTAB, well growth and nanostructured PANS electrode was obtained. The formation mechanism and the reason for the increase of the peak current of the nanostructured PANS electrode are discussed. The surface morphology of PANS electrode was investigated using scanning electron microscopy (SEM) and a nanoribbon like structured PANS polymer was obtained near cmc of CTAB. The electrochemical properties of nanostructured PANS electrode were studied. The catalytic utility of nanostructured PANS electrode was investigated and it exhibited electrocatalytic activity for the reduction of iodate with a low potential. The amperometric detection of iodate was tested at nanostructured PANS electrode. Linear range and detection limit were found to be 0.1 to 0.4μM and 0.1μM, respectively. The present work involves a simple, and one-step approach to fabricate a nanostructured PANS film with unique electrochemical properties, which can have great potential in various applications such as sensors, and energy source systems.
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