【223】 Stable Carbon Dioxide Anion Radical in Salt Clusters

23 Aug 2017, 12:30
1h 30m
Poster Applied Physics and Plasma Physics Poster Session

Speaker

Mrs Nina K. Bersenkowitsch

Description

As sodium chloride is the main component of marine aerosols, the present study shows experimental investigations with theoretical support on the photodissociation cross section of sodium chloride clusters doped with glyoxylate ([Na$_n$Cl$_{n-2}$(C$_2$HO$_3$)]$^+$, n = 5-11). It was found that that the glyoxylate can be photolyzed into HCO and a carbon dioxide radical anion, which is known to be metastable in the gas phase. The salt environment, however, stabilizes the radical anion. Importantly, this fragmentation happens not only in the deeper UV, but also in the wavelength range from 300-400 nm, which is relevant for tropospheric chemical reactions.

Author

Mrs Nina K. Bersenkowitsch

Co-authors

Dr Milan Oncak Dr Christian Van der Linde Prof. Martin K. Beyer

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