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자연과학대학
화학·나노과학전공
Journal papers
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Excited state dynamics of Nile Red in polymers
Title
Excited state dynamics of Nile Red in polymers
Authors
Jee A.-Y.
;
Park S.
;
Kwon H.
;
Lee M.
Ewha Authors
이민영
SCOPUS Author ID
이민영
Issue Date
2009
Journal Title
Chemical Physics Letters
ISSN
0009-2614
Citation
Chemical Physics Letters vol. 477, no. 41277, pp. 112 - 115
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
We have measured the fluorescence lifetime of Nile Red (NR) in various polymers and found that the fluorescence lifetimes of NR depend strongly on Young's modulus rather than polarity of media. The results indicate that the twisting motion of the diethylamino group in NR occurs in the excited state in the free volume of polymers. Our results show that the fluorescence lifetime of NR can be used to estimate Young's modulus or the free volume of a polymer. © 2009.
DOI
10.1016/j.cplett.2009.06.088
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