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Fluorescence quenching dynamics of azulene and 2-haloazulenes by CCl4 in nonpolar solvents

Title
Fluorescence quenching dynamics of azulene and 2-haloazulenes by CCl4 in nonpolar solvents
Authors
Kim S.Y.Lee G.Y.Han S.Y.Lee M.
Ewha Authors
이민영한소엽
SCOPUS Author ID
이민영scopus; 한소엽scopus
Issue Date
2000
Journal Title
Chemical Physics Letters
ISSN
0009-2614JCR Link
Citation
vol. 318, no. 1-3, pp. 63 - 68
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
On the basis of picosecond fluorescence lifetime measurements, we report the fluorescence quenching dynamics of azulene and 2-haloazulenes (halogen=Cl, Br, and I) in cyclohexane by CCl4 in the S2 electronic state. It has been observed that azulene fluorescence is efficiently quenched by carbon tetrachloride with a diffusion-limited rate constant of 8.1×109 M-1 s-1, while 2-haloazulenes do not show fluorescence quenching by CCl4.
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자연과학대학 > 화학·나노과학전공 > Journal papers
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