Journal
CHEMICAL PHYSICS LETTERS
Volume 602, Issue -, Pages 75-79Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2014.04.022
Keywords
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Funding
- Grant-in-Aids for Young Scientists [25707028 to D.K.]
- Scienctic Research on Inovative Areas 'All Nippon Artificial photosynthesis Project for Living Earth [24107002 to H.H]
- Japan Society for the Promotion of Science-Japan (JSPS)
- Grants-in-Aid for Scientific Research [25707028, 24107002] Funding Source: KAKEN
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Ultrafast excited state dynamics of the short fucoxanthin homolog with four conjugated double bonds and its allene-modified analog in various solvents have been studied by femtosecond pump-probe spectroscopy. The results clarified that the short fucoxanthin homolog exhibits a strong intramolecular charge transfer character in an excited manifold even in a nonpolar solvent. Then, the data show that a modification of the allene-group induced the lifetime shortening of the lowest singlet state of the short fucoxanthin homolog. This implies that the allene-group enhances the ICT character of the short fucoxanthin homolog. (C) 2014 Elsevier B.V. All rights reserved.
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