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Facile Electrochemical Oxidation of Polyaromatic Hydrocarbons to Surface-Confined Redox-Active Quinone Species on a Multiwalled Carbon Nanotube Surface

Authors

  • Palani Barathi,

    1. Environmental and Analytical Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology University, Vellore-632 014 (India)
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  • Annamalai Senthil Kumar

    Corresponding author
    1. Environmental and Analytical Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology University, Vellore-632 014 (India)
    • Environmental and Analytical Chemistry Division, School of Advanced Sciences, Vellore Institute of Technology University, Vellore-632 014 (India)
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Abstract

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Polyaromatic hydrocarbon (PAH) oxidation: PAHs, which are considered major environmental pollutants, are carcinogenic, and cannot be electrochemically oxidized on conventional electrodes (gold, platinum, and glassy carbon), can be electrochemically oxidized on multiwalled carbon nanotube surfaces at a potential of 1 V versus Ag/AgCl at pH 7. This results in the formation of stable surface-confined quinone systems (see scheme; AN=anthracene; AQ=anthraquinone).

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