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Diphenylbutadiene in supersonic jets: Spectroscopy and picosecond dynamics

Shepanski, J. F. and Keelan, B. W. and Zewail, A. H. (1983) Diphenylbutadiene in supersonic jets: Spectroscopy and picosecond dynamics. Chemical Physics Letters, 103 (1). pp. 9-14. ISSN 0009-2614. doi:10.1016/0009-2614(83)87064-X.

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The picosecond dynamics and one- and two-photon excitation of jet-cooled diphenylbutadiene are reported. An A_g^* state is found to lie below the dipole allowed B_u^* state. Isomerization and/or other non-radiative processes are important above a threshold of 1050 cm^(−1) excess energy. Results are compared with those previously obtained for stilbene.

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Additional Information:© 1983 Elsevier B.V. Received 8 September 1983, in final form 26 October 1983. The authors gratefully acknowledge the support of this work by the National Science Foundation under Grant No. CHE-8211356. We thank Peter M. Felker and Lutfur R. Khundkar for their assistance in the lifetime measurements, and Robert R. Birge and Wm. A. Goddard III for helpful and stimulating discussions.
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Arthur Amos Noyes Laboratory of Chemical Physics6703
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Official Citation:J.F. Shepanski, B.W. Keelan, A.H. Zewail, Diphenylbutadiene in supersonic jets: Spectroscopy and picosecond dynamics, Chemical Physics Letters, Volume 103, Issue 1, 16 December 1983, Pages 9-14, ISSN 0009-2614, (
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ID Code:70485
Deposited On:28 Sep 2016 23:50
Last Modified:11 Nov 2021 04:30

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