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Article – Journal of Nanoscience and Technology

Journal of Nanoscience and Technology, Volume 2,Issue 5,2016 Pages 209-212


Catalytic Oxygen Reduction at Poly(3-Methylthiophene-Co-3,4-Ethylenedioxythiophene) Modified Electrode with 1,4-Diamino Anthra-9,10-Quinone
G. Amala Jothi Grace, A. Gomathi*, C. Vedhi


This work is licensed under a Creative Commons Attribution 4.0 International License

The electrocatalytic behaviour of 1,4-Diamino anthra-9,10-quinone at poly(3-methylthiophene-co-3,4-ethylenedioxythiophene) towards oxygen reduction were investigated in the pH range 1.0 – 13.0 using cyclic voltammetric, chronoamperometric and chrononcoulometric techniques. The stability and electrochemical behaviour of the copolymer modified electrode was studied and pH 7.0 was chosen as the optimum working pH by comparing the shift in oxygen reduction potential. The surface morphology of the modified electrode was also characterized by scanning electron microscope. The diffusion coefficient, surface coverage values and the number of electrons involved were determined.



Keywords: Voltammograms; Copolymer Modified Electrode; 1,4-Diamino Anthra-9,10-Quinone;

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