Photochimie du méthanol en phase vapeur A 1 236 et A 1 849 Å

Hagege, Janine; Leach, Sydney; Vermeil, C.

doi:10.1051/jcp/1965620736

Cited by 20 publications

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“…about 200 nm, is structureless and dissociative,* 11 and there is no evidence for an excited state of methanol which is sufficiently long-lived to be able to transfer energy to nitrous oxide. Similarly, the ionization potential of nitrous oxide is considerably greater than that of methanol12 so that positive-charge transfer is thermodynamically unfavorable and cannot be the mechanism of nitrogen formation.…”

Section: Solutions Containing Nitrous Oxide and An Organicmentioning

confidence: 99%

Light-induced and radiation-induced reactions in methanol. I. γ-Radiolysis of solutions containing nitrous oxide

Sherman¹

1967

J. Phys. Chem.

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Section: Solutions Containing Nitrous Oxide and An Organicmentioning

confidence: 99%

Light-induced and radiation-induced reactions in methanol. I. γ-Radiolysis of solutions containing nitrous oxide

Sherman¹

1967

J. Phys. Chem.

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“…This interest in photoionization was soon amplified by work in the gas phase in a comparative study of the photochemistry of methanol at two wavelengths: 1849Å, where ionization was not possible; and 1236Å, where it could occur (144). The theme of VUV photochemistry of gases was further developed in France over several years in studies by Catherine Vermeil and her coworkers (145), who remained in Paris after we had left for Orsay.…”

Section: Vuv Photophysics and Photochemistrymentioning

confidence: 99%

IN MY TIME: Scenes of Scientific Life

Leach

1997

Annu. Rev. Phys. Chem.

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[Figure: see text] ▪ Abstract A narrative account of the ingredients in the making of a young scientist, his wartime science in England, and subsequent career in France, where, starting in molecular electronic spectroscopy, he has grown older and has expanded his horizons to address problems of astrophysical, nonlinear optical, and biological interest, using, with the aid of many good scientists, a variety of techniques, mainly of optical and mass spectroscopies and with synchrotron radiation as an important excitation source. He has plans to continue….

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“…has not been investigated previously although the mercury photosensitized decomposition at 2537 A has been studied (1). The methanol system, however, has been examined in both direct photolysis (2)(3)(4) and photosensitization (5,6).…”

Section: Introductionmentioning

confidence: 99%

Direct Photolysis of 2-Propanol Vapor

Herasymowych¹,

Knight²

1972

Can. J. Chem.

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The photolysis of 2-propanol vapor in the 1800–2000 Å wavelength range has been investigated. The volatile products of the reaction and their quantum yields at 80 °C and 200 Torr substrate pressure are H2 (0.64), CH3COCH3 (0.34), CH4 (0.39), CH3CHO (0.29), CO (0.15), and C2H6 (0.08). A mechanism is proposed that accounts for the observed rate variations with substrate pressure, exposure time, temperature, and pressure of inert addend. Acetone and acetaldehyde undergo significant secondary decomposition and this is the source of CO, CH4, and C2H6. Acetaldehyde is formed in the unimolecular decomposition of C3H7O radicals produced in the primary process.The effects of CO2 and CF4 as inert addends have been examined and it has been established that the quantum yield enhancement through collision induced predissociation that has been reported to occur in methanol is not a characteristic of the 2-propanol photolysis.

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Photochimie du méthanol en phase vapeur A 1 236 et A 1 849 Å

Cited by 20 publications

References 0 publications

Light-induced and radiation-induced reactions in methanol. I. γ-Radiolysis of solutions containing nitrous oxide

Light-induced and radiation-induced reactions in methanol. I. γ-Radiolysis of solutions containing nitrous oxide

IN MY TIME: Scenes of Scientific Life

Direct Photolysis of 2-Propanol Vapor

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