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Content Provider | IEEE Xplore Digital Library |
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Author | Thaller, A. Laenen, R. Laubereau, A. |
Copyright Year | 2003 |
Description | Author affiliation: Phys.-Dept., Tech. Univ. Munchen, Germany (Thaller, A.; Laenen, R.; Laubereau, A.) |
Abstract | This paper determines the relaxation dynamics of the already generated, long-lived solvated electrons in water, in a probing range in the mid-infrared spectra. Interesting details of the readjustment of the solvation layer are observed after excitation of the electrons by a 820 nm pulse (duration 80 fs) to the first excited level (a localized 2p-state). In addition, this novel probe absorption data in the range 2 - 5 /spl mu/m reveal a strong, but short-lived coupling of the electron to the OH- (OD-) stretching vibration of the solvent molecules. Our data suggest that an observed 240 fs relaxation time represents internal conversion to an intermediate state, interpreted as a ground state electron in a hot environment, similar to the "wet electron" observed in the photoionisation process. |
File Size | 79201 |
File Format | |
ISBN | 0780377338 |
DOI | 10.1109/EQEC.2003.1314016 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2003-06-22 |
Publisher Place | Germany |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Electrons Methanol Spectroscopy Ionization Solvents Electromagnetic wave absorption Pulse measurements Probes Liquids Metastasis |
Content Type | Text |
Resource Type | Article |
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