Chemiluminescence excited by atomic fluorine

George C Schatz, M. Kaufman

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Visible or ultraviolet luminescence is observed in the reactions of atomic fluorine with many organic and inorganic molecules. In most cases, the radiation is produced by reaction with fluorine atoms generated by electric discharge through either CF4 or F2-Ar mixtures, indicating that the luminescences are due neither to impurities nor to the very exothermic reactions of F2. Some emissions, such as OH (A → X) in the reaction with H2O, NH(A → X) with NH3, and Cl2(A → X) with Cl2, are best explained as due to atomic combination. In other cases, this mechanism can be precluded by thermochemical arguments. With hydrocarbons, CH, C2, CF, and CF2 bands have been observed. The presence of oxygen is apparently not necessary to produce the CH emission. CO Cameron bands are one of the impurity-caused luminescences which have been observed in the hydrocarbon reactions. They are generated only when the atomic fluorine is produced from CF4 and are possibly due to the reaction between atomic oxygen and CF.

Original languageEnglish
Pages (from-to)3586-3590
Number of pages5
JournalJournal of Physical Chemistry
Volume76
Issue number24
Publication statusPublished - 1972

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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