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Oxygen atoms in the S1 state have been produced by the vacuum-ultraviolet photolysis of N2O and observed by their emission at 5577 Å in the S–1D1 transition. The stimulation of this emission by collision with added gases has been studied. The emission has been found to be proportional to the pressure of the added gas. Xenon is the most efficient stimulator of the gases used, followed in order of decreasing efficiency by Kr, Ar, N2, H2, and He. Data gotten by photolysis of NO2 and CO2 have been used to estimate their quantum yields for formation of O(1S).
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Hampson et al. (1970) studied this question.
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