✦ LIBER ✦
Two-photon VUV laser-induced fluorescence detection of I★(2P12) and I(2P12) from alkyl iodide photodissociation at 248 nm
✍ Scribed by F.G. Godwin; P.A. Gorry; P.M. Hughes; D. Raybone; T.M. Watkinson; J.C. Whitehead
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 527 KB
- Volume
- 135
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
The quantum yields for production of I(2P3,2) and I*('P& at 248 nm are reported for a variety of alkyl and substituted-alkyl iodides using the technique of two-photon atomic laser-induced fluorescence. These results are combined with those of others to provide quantum yields over a wide range of radical sizes, structures and substitutions. A model which incorporates impulsive energy disposal for the dissociation followed by a Landau-Zener description of the 3QO-'Q, curve crossing gives a good description of the @* values.