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Absorption and emission of dyes in organic colorants

机译:染料在有机着色剂中的吸收和发射

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摘要

A Physically measurable property of any chemical entity is influenced by the environment in which the chemical entity is situated. It has long been known that absorption spectra of chemical compounds may be influenced by the surrounding medium. Particularly in colorants solvents can bring about a change in the position, intensity and shape of the absorption bands. It may be said in simple terms that color of a solution of colorant depends on the nature of the solvent as well as the nature of the colorant. This phenomenon was later referred to as Solvatochromism by Hantsch.
机译:任何化学实体的物理可测量特性都受该化学实体所处环境的影响。众所周知,化合物的吸收光谱会受到周围介质的影响。特别是在着色剂中,溶剂会引起吸收带的位置,强度和形状发生变化。可以简单地说,着色剂溶液的颜色取决于溶剂的性质以及着色剂的性质。这种现象后来被汉斯(Hantch)称为“变色现象”。

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  • 来源
    《Colourage》 |2012年第2期|p.5456|共2页
  • 作者

    N. Sekar;

  • 作者单位

    Dyestuff Technology Department of Institute of Chemical Technology;

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