International Journal of Science , Engineering and Management (IJSEM)

Monthly Journal for Science , Engineering and Management

Volume3,April 2018,

Topic : Synthesis and Electrochemical studies of Polyaniline at Different Atmospheric Condition

Authors: P.Rajakani || C.Vedhi

Abstract:Electroconducting polyaniline (PAni) are of great interest for a large number of applications due to their easy processing and relatively low cost compared to other materials such as the inorganic one. The PAni was synthesized by bulk polymerization of aniline using 0.25M potassium perdisulfate (K2S2O8) as an oxidant at room temperature, in 1M hydrochloric acid medium. The Cyclic Voltammetric studies (CVs) are obtained in 1.0 M H2SO4 electrolyte by casting the PAni paste on GC working electrode. The effect of pH on the voltammetric response is studied to determine the electroactive behaviour of PAni modified GCE in redox reactions over a pH range of 1.0 to 13.0. CVs of PAni modified GCE were performed under different atmospheric conditions (deareated, O2 & N2 ) in the pH 1.0. The surface coverage values as well as the diffusion coefficient values are found from Chronoamperograms of the PAni modified GCE by Cyclic voltammetric method. PAni modified GCE enhances the electrocatalytic activity towards methanol reduction for N2 saturated buffer. The double layer capacitance value calculated from Electrochemical Impedence Spectroscopy..

Keywords: : Chronoamperometry, Cyclic voltammetry, Electrochemical Impedence Spectroscopy, PAni

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DOI: 01.1617/vol5/iss4/pid25438

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Editor Image

Dr.Muhammad Ishtiaq,
Mirpur University of
Science & Technology,
Mirpur, Azad Kasmir.

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ISSN(Online): 2456-1304

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Thomson Reuters ID : q-6288-2016.
ORCiD Research ID : 0000-0001-9540-6799

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Journal Code : IJSEM
Electronic ISSN : 2456-1304
Impact Factor : 2.7
Frequency : Monthly
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