Femtosecond time-resolved excited state dynamics of cyanine encapsulated by β-cyclodextrin

Fluorescence dynamics of a cyanine dye, 3,3′-di(3-sulfopropyl)-thiacyanine triethylaminium salt, encapsulated by β-cyclodextrin was investigated by femtosecond fluorescence time-resolved up-conversion technique. The quickening up of the fluorescence decay was found in comparison with the fluorescenc...

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Bibliographic Details
Published in:The Journal of chemical physics 2002-10, Vol.117 (14), p.6614-6617
Main Authors: Huang, Wentao, Wang, Shufeng, Yang, Hong, Gong, Qihuang, Xu, Guangzhi, Xiang, Junfeng, Chen, Ciping, Yan, Wenpeng
Format: Article
Language:English
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Summary:Fluorescence dynamics of a cyanine dye, 3,3′-di(3-sulfopropyl)-thiacyanine triethylaminium salt, encapsulated by β-cyclodextrin was investigated by femtosecond fluorescence time-resolved up-conversion technique. The quickening up of the fluorescence decay was found in comparison with the fluorescence dynamics of the dye in water. This phenomenon may be a good experimental support for the expanded BFO theory with two-dimensional excited potential surface.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1506910