Synthesis of Conducting Polyaniline Using Compound Oxidant


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Conductive polyaniline (PANI) was synthesized by the oxidation of aniline with complex oxidant composed of ammonium persulfate ((NH4)2S2O8) and ascorbic acid (C6H8O6) in a reaction media containing sulfuric acid (H2SO4). The effects of concentration of H2SO4, (NH4)2S2O8 and (NH4)2S2O8/C6H8O6 mol ratio on the polymerization of aniline were studied. The optimal polymerization condition was aniline 1mol/L, H2SO4 1mol/L, and compound oxidant (mole ratio of (NH4)2S2O8 to C6H8O6 as to 10:1) 1mol/L at room temperature without the protection of N2. The conductivity and yield of PANI reach 13.3S/cm and 96.7%, respectively. The structural changes of PANI were measured by FTIR, Raman and XRD. The results indicated that PANI was some crystal and its groups took place red shift.



Advanced Materials Research (Volumes 87-88)

Edited by:

Lianxiang Ma, Chuangsheng Wang and Weimin Yang




H. Huang et al., "Synthesis of Conducting Polyaniline Using Compound Oxidant", Advanced Materials Research, Vols. 87-88, pp. 300-305, 2010

Online since:

December 2009




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