Direct observation of intramolecular energy transfer by selective picosecond laser excitation of a single chromophore in jet-cooled molecules

Creators: Felker, P. M.; Syage, J. A.; Lambert, Wm. R.; Zewail, A. H.

Abstract

Here we report on the direct observation of time-resolved formation of a product of intramolecular energy transfer in isolated, jet-cooled A^*-CH_2-CH_2-CH_2-B. The anthracene chromophore (A) was excited by picosecond pulses, and the transfer of energy was probed at various excess energies by observing the emission arising from the exciplex formed between B (dimethyl aniline) and A^*. The threshold is at 3 kcal/mole.

Additional Information

© 1982 Elsevier B.V. Received 25 August 1982. This work was supported by the National Science Foundation under Grants number CHE-8112833 and number DMR-8105034. We are grateful to Professor D. Evans and his group for offering us their help and expertise in synthesizing DMA.

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Direct observation of intramolecular energy transfer by selective picosecond laser excitation of a single chromophore in jet-cooled molecules

Abstract

Additional Information

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