Abstract
This study is related to the electrochemical polymerisation of aniline in the presence of hydrochloric acid at DC voltages from 1.1 V to 2.1 V with platinum, stainless steel electrodes of uniform cross section. 1 M of acid and 0.1 M of monomer are taken. Efforts are concentrated on the importance of polyaniline deposited on the working electrode and the collection of pure samples out of it from forty trials each. Each trial runs for one hour. Double distilled water is used for the filtering of polyaniline. Due to the presence of mono basic acid, the FTIR peaks are well defined and their presence indicates the definite vibrational modes of the elements. The acid affects the polymerization of aniline and the results are in reasonable agreement with earlier reports. At 1.7 V the conductivity is well exhibited by HCl doped PANI. It is found that the applied DC voltage plays a role on the synthesis of polyaniline using HCl.
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