The photolysis of CO at 193 nm in the liquid and gas phases

The photolysis of CO at 193 nm, which excites the v′ = 2 level of the ã( 3Π) state, has been studied in the liquid phase at 77 K and the gas phase at room temperature. Products observed were CO 2 and C 3O 2, with quantum yields of CO 2 of about 10 −2 and 10 −3 in the gas and the liquid respectively....

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Bibliographic Details
Published in:Journal of photochemistry and photobiology. A, Chemistry. Chemistry., 1989-02, Vol.46 (2), p.159-167
Main Authors: Roussel, P.B., Back, R.A.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
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Summary:The photolysis of CO at 193 nm, which excites the v′ = 2 level of the ã( 3Π) state, has been studied in the liquid phase at 77 K and the gas phase at room temperature. Products observed were CO 2 and C 3O 2, with quantum yields of CO 2 of about 10 −2 and 10 −3 in the gas and the liquid respectively. Quantum yields of C 3O 2 were about 1% of the CO 2 in both phases. Ozone was also a product and was shown to have been derived from traces (20 – 30 ppm) of O 2 present in the CO. Mechanisms of product formation are discussed.
ISSN:1010-6030
1873-2666
DOI:10.1016/1010-6030(89)80002-4