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Information Journal Paper

Title

SYNTHESIS OF POLY (3-METHYLTHIOPHENE) IN THE PRESENCE OF 1- (2-PYRROLYL) -2- (2-THIENYL) ETHYLENE BY ELECTROPOLYMERIZATION

Pages

  559-565

Abstract

 In this study, the ELECTROPOLYMERIZATION of 3-methylthiophene (3-MT) was preformed in the presence of a catalytic amount 1- (2-pyrrolyl) -2- (2-thienyl) ethylene (PTE) by CYCLIC VOLTAMMETRY in acetonitrile as a solvent and lithium perchlorate as the electrolyte on a glassy carbon (GC) electrode. First, PTE was synthesized via the Wittig reaction. The addition of a catalytic amount of PTE during the ELECTROPOLYMERIZATION of 3-MT changes the cyclic voltammograms such that the analysis of cyclic voltammograms of poly (3-MT) shows a considerable increase in the electroactivity and redoxability. Furthermore, the presence of PTE during the ELECTROPOLYMERIZATION of 3-MT increases the polymerization rate. The CV measurement of the electron transfer ferro/ferricyanide redox system using different modified GC electrodes shows that the rate of charge transfer for poly (3-MT) in the presence of PTE is greater than that of poly (3-MT) alone. The conductivity of the obtained polymers was determined by electrochemical impedance spectroscopy (EIS) in 3.5% NaCl (w/v) solutions. With the application of Zview (II) software to the EIS, we estimate the parameters of the proposed equivalent circuit, based on a physical model for the electrochemical behavior of coatings on the GC electrode, to be 15739 ohm cm2 for the charge transfer resistance (Rct) for poly (3-MT) alone and 9700 ohm cm2 for poly (3-MT) in the presence of PTE. Thus, the film of poly (3-MT) formed in the presence of PTE is more conductive.

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    • Cite

    APA: Copy

    KIANI, GHOLAM REZA, ARSALANI, N., HOSSEINI, M.G., & ENTEZAMI, A.A.. (2008). SYNTHESIS OF POLY (3-METHYLTHIOPHENE) IN THE PRESENCE OF 1- (2-PYRROLYL) -2- (2-THIENYL) ETHYLENE BY ELECTROPOLYMERIZATION. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 5(4), 559-565. SID. https://sid.ir/paper/282272/en

    Vancouver: Copy

    KIANI GHOLAM REZA, ARSALANI N., HOSSEINI M.G., ENTEZAMI A.A.. SYNTHESIS OF POLY (3-METHYLTHIOPHENE) IN THE PRESENCE OF 1- (2-PYRROLYL) -2- (2-THIENYL) ETHYLENE BY ELECTROPOLYMERIZATION. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2008;5(4):559-565. Available from: https://sid.ir/paper/282272/en

    IEEE: Copy

    GHOLAM REZA KIANI, N. ARSALANI, M.G. HOSSEINI, and A.A. ENTEZAMI, “SYNTHESIS OF POLY (3-METHYLTHIOPHENE) IN THE PRESENCE OF 1- (2-PYRROLYL) -2- (2-THIENYL) ETHYLENE BY ELECTROPOLYMERIZATION,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 5, no. 4, pp. 559–565, 2008, [Online]. Available: https://sid.ir/paper/282272/en

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