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  • Chem Sci Trans., 2013, 2(S1),  pp S202-S206  

    DOI:10.7598/cst2013.12

    Research Article

    Poly(anthranilic acid) Nanorods: Synthesis, Characterization and Electrochemical Sensing Properties

  • R. SURESH, K. GIRIBABU, R. MANIGANDAN, L. VIJAYALAKSHMI, A. STEPHEN and V. NARAYANAN
  • Department of Inorganic Chemistry, University of Madras, Guindy Campus, Chennai-600 025, India
    Vidhya Sagar Women’s College, Chengalpattu, Kancheepuram 603211, India
    Department of Nuclear Physics, University of Madras, Guindy Campus, Chennai-600025, India
  • Abstract

    Nanostructured poly(anthranilic acid) was synthesized by oxidative polymerization using potassium persulfate as an oxidant and malonic acid (MA) as dopant. The synthesized polymer was characterized by various techniques. The structure of poly(anthranilic acid) was confirmed by FT-IR spectroscopy. The UV-Vis spectra of poly(anthranilic acid) shows π-π* and inter-ring charge transfer bands. The shift in optical spectra is related to steric repulsion due to the presence of -COOH groups. The morphological properties were characterized by FESEM which shows the synthesized polymer has rod-like morphology. The electrochemical properties of the poly(anthranilic acid) were studied by cyclic voltammetric method. The synthesized poly(anthranilic acid) nanorods were used to modify the glassy carbon electrode (GCE) and the modified GCE was found to exhibit electrocatalytic activity for the oxidation of dopamine. It shows that the poly(anthranilic acid) will exhibit promising applications in the development of bio-sensors.

    Keywords

    Conducting polymer, Electrocatalyst, Modified electrode, Cyclic voltammetry

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