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  • Title: Intramolecular and intermolecular hydrogen-bonding effects on the dipole moments and photophysical properties of some anthraquinone dyes.
    Author: Zakerhamidi MS, Ghanadzadeh A, Moghadam M.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2011 Jun; 79(1):74-81. PubMed ID: 21397554.
    Abstract:
    Absorption and fluorescence spectra of three anthraquinone dyes with various substituents and molecular size were studied in different solvents. The photo-physical behavior of a dissolved dye depends strongly on the solvent-solute interactions and solvent nature. The solvatochromic method was used to investigate dipole moments of these dyes in ground and excited states. The spectral variations were analyzed by means of linear solvation energy relationships concept proposed by Kamlet and Taft. The results conceive the nature and extend of, specific and non-specific, solvent-solute interactions.
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