Studies on the Effect of Doping Agent on the Structure of Polyaniline

Authors: 

Omar Melad and Mariam Jarur

Chemistry Department, Al-Azhar University-GAZA, P.O.Box 1277, GAZA, Palestine; omarmelad@yahoo.com

Polyaniline (PANI) doped with hydrochloric acid (HCl), sulpharic acid (H2SO4) and formic acid (HCOOH) was synthesized by a chemical oxidative polymerization technique. The oxidizing agent used for this method is potassium dichromate. The polymer products were characterized by FTIR and UV-visible spectroscopy. The FTIR results showed that the doping degree of PANI-HCOOH is the greatest one. A successful doping of HCOOH in PANI was observed in UV-visible spectroscopy. Three steps decomposition observed from the thermo gravimetric analysis (TGA). 

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