Intramolecular and intermolecular hydrogen-bonding effects on the dipole moments and photophysical properties of some anthraquinone dyes

被引：30

作者：

Zakerhamidi, M. S. ^{[1
]}

Ghanadzadeh, A. ^{[1
,2
]}

Moghadam, M. ^{[2
]}

机构：

[1] Univ Tabriz, Res Inst Appl Phys & Astron, Tabriz, Iran

[2] Univ Guilan, Dept Chem, Fac Sci, Rasht, Iran

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2011年 / 79卷 / 01期

关键词：

Anthraquinone dyes; Solvent-solute interactions; Linear solvation energy relationships; Solvent polarity scale; Dipole moment; SOLVATION ENERGY RELATIONSHIPS; SINGLET OXYGEN; PI-STAR; ABSORPTION; SPECTRA; ALPHA; SCALE; BETA;

D O I：

10.1016/j.saa.2011.02.003

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

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. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：74 / 81

页数：8

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