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Ultrafast Molecular Relaxation of Isolated Stllbene: Measurements by Picosecond Pump-Probe Techniques

Scherer, N. F. and Perry, J. W. and Doany, F. E. and Zewail, A. H. (1985) Ultrafast Molecular Relaxation of Isolated Stllbene: Measurements by Picosecond Pump-Probe Techniques. Journal of Physical Chemistry, 89 (6). pp. 894-896. ISSN 0022-3654. doi:10.1021/j100252a004.

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In this Letter, we report measurements of the picosecond relaxation time of trans-stilbene in S1 under collisionless conditions. By acurate determination of the zero-time in our picosecond pump-probe experiments we obtained r = 3 ± 0.5 ps, which is entirely consistent with our earlier measurements of IVR rates of stilbene in bulbs and beams. This establishes the molecular nature of the decay in these picosecond pump-probe multiphoton ionization (or mass spectrometry) experiments.

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Additional Information:© 1985 American Chemical Society. Received: January 11, 1985. This work is supported by the National Science Foundation under Grant No. DMR-8105034. We thank Professor K. Eisenthal for fruitful discussions.
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Arthur Amos Noyes Laboratory of Chemical Physics7141
Issue or Number:6
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Official Citation:Ultrafast molecular relaxation of isolated stilbene: measurements by picosecond pump-probe techniques N. F. Scherer, J. W. Perry, F. E. Doany, and Ahmed H. Zewail The Journal of Physical Chemistry 1985 89 (6), 894-896 DOI: 10.1021/j100252a004
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:70473
Deposited By: Ruth Sustaita
Deposited On:30 Sep 2016 17:38
Last Modified:11 Nov 2021 04:29

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