The Primary Process in the Photolysis of Hexafluoroacetone Vapour. I. Photodecomposition Studies

An investigation has been made of the effect of ketone concentration, of temperature, of the wavelength of the exciting light and of the concentration of an inert addend on the quantum yield for the decomposition of hexafluoroacetone vapour. All data were obtained in an apparatus free of mercury vap...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1968-09, Vol.306 (1487), p.503-510
Main Authors: Whytock, D. A., Kutschke, K. O.
Format: Article
Language:English
Subjects:
Carbon dioxide
Chemical decomposition
Ketones
Mercury vapor
Molecules
Photolysis
Quantum mechanics
Singlet state
Thermal decomposition
Wavelengths
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Summary:An investigation has been made of the effect of ketone concentration, of temperature, of the wavelength of the exciting light and of the concentration of an inert addend on the quantum yield for the decomposition of hexafluoroacetone vapour. All data were obtained in an apparatus free of mercury vapour. General trends shown by the data are those predicted by the mechanism offered. In particular the value of the quantum yield extrapolated to infinite concentration of ketone depends only on the temperature and not on the wavelength of excitation. The data will be discussed further in part V.
ISSN:1364-5021
0080-4630
1471-2946
2053-9169
DOI:10.1098/rspa.1968.0164