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  • Chem Sci Trans., 2016, 5(3),  pp 820-826  

    DOI:10.7598/cst2016.1200

    Research Article

    Investigation of Photophysical Properties of Ceric Ammonium Nitrate Mediated Oxidative Dimerization of 1-Methoxynaphthalene and 4,4ʹ-Diamino-1,1ʹ-dimethoxy-2,2ʹ-binaphthyl

  • J. RAMCHANDER
  • Department of Chemistry, Nizam College, Osmania University, Hyderabad-500001, Telangana State, India
  • Abstract

    The absorption and fluorescence properties of structurally correlated compound are 1,1?-dimethoxy-4,4ʹ-dinitro-2,2ʹ-binaphthyl and 4,4ʹ-diamino-1,1ʹ-dimethoxy-2,2ʹ-binaphthyl in 9 various solvents of different polarities was studied. The absorption maxima of these compounds not follow the selectivity with respect to the solvent polarity, whereas depends on the nature of substitution. The fluorophores with electron withdrawing group have larger fluorescence quantum yields and greater solvatochromism than the compounds with electron donating groups. Protic solvents yielded higher fluorescence quantum efficiency.

    Keywords

    Solvatochromism, Emission, Stokes shift, Chromophore, Fluorophore

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