Fluorescence Properties of Pyrylium and Thiopyrylium Salts

Due to their very substantial fluorescence emission, pyrylium and thiopyrylium salts are widely used as laser dyes and photosensitizers. This paper deals with the fluorescence properties (quantum yields and wavelengths of the fluorescence maxima as well as the lifetimes of the singlet excited states...

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Published inBulletin of the Chemical Society of Japan Vol. 68; no. 10; pp. 2791 - 2795
Main Authors Parret, Sylvie, Morlet-Savary, Fabrice, Fouassier, Jean-Pierre, Inomata, Kiyoshi, Matsumoto, Takeo, Heisel, Francine
Format Journal Article
LanguageEnglish
Published Tokyo The Chemical Society of Japan 01.10.1995
Chemical Society of Japan
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Summary:Due to their very substantial fluorescence emission, pyrylium and thiopyrylium salts are widely used as laser dyes and photosensitizers. This paper deals with the fluorescence properties (quantum yields and wavelengths of the fluorescence maxima as well as the lifetimes of the singlet excited states) of eight pyrylium and ten thiopyrylium salts, with special emphasis on the effect of α and γ substitutions of the heterocycle.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.68.2791