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Published December 16, 1983 | public
Journal Article

Diphenylbutadiene in supersonic jets: Spectroscopy and picosecond dynamics


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.

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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