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Femtosecond Time-Resolved Stimulated Raman Spectroscopy of the S(2) (1B(u)) Excited State of beta-Carotene.

Abstract:

The electronic and vibrational structure of beta-carotene's early excited states are examined using femtosecond time-resolved stimulated Raman spectroscopy. The vibrational spectrum of the short-lived ( approximately 160 fs) second excited singlet state (S(2),1B(u) (+))of beta-carotene is obtained. Broad, resonantly enhanced vibrational features are observed at approximately 1100, 1300, and 1650 cm(-1) that decay with a time constant corresponding to the electronic lifetime of S(2). The tempo...

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Publication status:
Published

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Publisher copy:
10.1021/jp0482971

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
journal of physical chemistry. A
Volume:
108
Issue:
28
Pages:
5921-5925
Publication date:
2004-07-01
DOI:
EISSN:
1520-5215
ISSN:
1089-5639
Source identifiers:
118462
Language:
English
Pubs id:
pubs:118462
UUID:
uuid:3abe7b05-0c6c-4a4d-b5dc-b27a84841371
Local pid:
pubs:118462
Deposit date:
2012-12-19

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