Excited state isomerization reaction of cyanine dye has been considered as a typical barrierless reaction. The experimental research based on the dye's excited state dynamics has been performed by using several different time-resolved techniques, including excited state absorption, stimulated emission and fluorescence. In this report, employing femtosecond laser pulses, we studied the ultrafast time-resolved dynamics of fluorescence in solutions of cyanine dye 3,3'-di(3-sulfopropyl)thiacyanine triethylaimonium salt in water with and without doping semiconductor TiO/sub 2/ colloids.


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    Title :

    Excited state isomerization of a cyanine dye investigated with femtosecond fluorescence up-conversion technique


    Contributors:
    Qihuang Gong, (author) / Tieqiao Zhang, (author) / Shufeng Wang, (author) / Hong Yang, (author)


    Publication date :

    1999-01-01


    Size :

    95543 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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