Laser-Induced Photolysis of Ozone Reactions of O(3P), O(1D) and O2(1Δ)

  • I. Arnold
  • F. J. Comes
Conference paper
Part of the Springer Series in Chemical Physics book series (CHEMICAL, volume 6)


Oxygen atoms in the excited O(1D) state are a most important species in atmospheric chemistry. They can react rapidly with H2O to produce OH radicals. Strong evidence is given for the fact that O(1D) is produced with a quantum efficiency of one in the uv photolysis of ozone at wavelengths shorter than 300 nm. Reactions of O(1D) can therefore be studied by the photolysis of ozone as a convenient source. In this work reactions of both the excited O (1D) =O* and the ground state O(3P) = O oxygen atoms as well as the reaction of the metastable O2(1Δ) =O2* molecule are studied and rate constants determined by means of atomic resonance absorption spectroscopy. Since the ground state atomic oxygen concentration was monitored the question whether O2* is quenched physically or reacts chemically in collision with O3 could be decided.


Transient Concentration Atomic Resonance Ozone Decomposition Bimolecular Rate Constant Ozone Reaction 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • I. Arnold
    • 1
  • F. J. Comes
    • 1
  1. 1.Institut für physikalische Chemie der UniversitätFrankfurt am MainFed. Rep. of Germany

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