Galvanostatic deposition of Poly(N-methylpyrrole) film with various dopants and co-dopants: A comparative study

Synthesis of Poly(N-methylpyrrole) (P(NMP)) film with various dopants viz. PolyVinyl Sulphonic acid (PVS), p-Toluene Sulphonic acid (pTS), Sodium Nitrate (NaNO3) has been studied by using galvanostatic deposition method. This is a comparative study of influence of above dopants on the synthesis of P(NMP) film using electrochemical studies, conductivity measurements, FTIR spectral studies and SEM. The optimal film growth was achieved for synthesis of the P(NMP) film in the presence of PVS. The influence of co-dopants i.e. PolyVinyl Sulphonic acid/ p-Toluene Sulphonic acid (PVS/pTS) and PolyVinyl Sulphonic acid/sodium nitrate (PVS/NaNO3) on galvanostatic deposition of P(NMP) film has also been studied. This study reveals that the synthesized P(NMP) film with dopant PVS and co-dopant PVS/NaNO3 provides good polymer matrix for immobilization of biocomponent.