Photochemistry in and on Low Temperature Solid Materials
The undoubted importance of homogeneous, gas phase reactions in the atmosphere has driven the production of an exhaustive data bank of room temperature kinetic and spectroscopic information. Many of the results obtained are readily interpretable in terms of a chemical mechanism and have been included, with confidence, in atmospheric models. However, such models are now accepted to be incomplete because they were not able to predict the appearance of an “ozone hole” over Antarctica. To obtain a more comprehensive picture, experimentalists have found that they must direct some attention to the study of heterogeneous chemistry especially that associated with Polar Stratospheric Clouds (PSCs). This new perspective has taken on even more importance recently because chlorine processing on sulphate aerosol particles is now thought to contribute to global ozone depletion.
KeywordsFormaldehyde Cage Argon Recombination Aldehyde
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