The Amine Sensitization of the Fluorescence of Tris-(dibenzoylmethano)europium(III)

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概要

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• The effect of amines on the efficiency of fluorescence of tris(dibenzoylmethano)europium(III) has been investigated in a methanol solution. Amines with low p<I>K<SUB>b</SUB></I> values seem to form 1 : 1 complexes with the chelate, and the change in the fluorescence intensity of the chelate is due exclusively to the formation of a complex, which fluoresces more strongly than the chelate itself. It seems that the sensitization of the fluorescence is due to the change in the relaxation lifetime. In the case of amines with aromatic moieties, sensitization through energy transfer may also take place, but this never occurs unless the amine molecule is present in the complex. The structure of the complex and the mechanism of sensitization are discussed.

• 公益社団法人 日本化学会の論文

著者

• Ebara Nozomu

  College of General Education, The University of Tokyo

• Fukuzawa Tadashi

  College of General Education, The University of Tokyo

関連論文

• The mechanism of amine sensitization of the emission of tris(dibenzoylmethano)europium(III).
• The Amine Sensitization of the Fluorescence of Tris-(dibenzoylmethano)europium(III)

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