期刊
CHEMICAL PHYSICS LETTERS
卷 465, 期 4-6, 页码 212-215出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.09.076
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [19056009]
- Japan Society for the Promotion of Science (JSPS) [19350017]
- Grants-in-Aid for Scientific Research [19350017] Funding Source: KAKEN
We measured steady-state fluorescence of cis-stilbene in solution, by carefully separating the contribution of coexisting trace amount of trans isomer. The obtained 'pure' fluorescence spectrum of cis-stilbene shows a broad structureless band (peaked around 420 nm) extending to the wavelength region as long as 700 nm. Compared to the fluorescence intensity from the coexisting trans isomer, the oscillator strength of the cis fluorescence was evaluated as 0.17, which indicated that the S(1) state of cis-stilbene is an optically allowed state. (C) 2008 Elsevier B.V. All rights reserved.
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