Chowdhury, P. K. ; Rama Rao, K. V. S. ; Mittal, J. P. (1985) Sensitized decomposition of decafluorocyclohexene by IR-multiphoton-excited SF6 in a CO2 laser field Journal of Photochemistry, 28 (4). pp. 503-512. ISSN 0047-2670
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/004726...
Related URL: http://dx.doi.org/10.1016/0047-2670(85)87043-X
Abstract
On irradiation of mixtures of SF6 and decafluorocyclohexene (DFCH) at CO2 laser frequencies absorbed only by SF6, retro Diels-Alder decomposition of DFCH was obtained. A massive intermolecular vibrational energy transfer from IR-multiphoton-excited SF6 to the cold DFCH molecule seems to occur with a probability of 0.03 per collision. The decomposition yield per pulse was studied as a function of the partial pressures of SF6, DFCH and the argon buffer as well as the laser fluence and frequency. The maximum decomposition was observed at the 10 P(30) CO2 laser line which is red shifted by about 13 cm-1 with respect to the v3 fundamental of SF6 at 948 cm-1.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 25848 |
| Deposited On: | 04 Dec 2010 11:30 |
| Last Modified: | 08 Jun 2011 06:20 |
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