Electron and photon induced processes in SF₅CF₃

Limão-Vieira, P.; Kendall, P. A.; Eden, S.; Mason, N. J.; Heinesch, J.; Hubin-Franskin, M.-J.; Delwiche, J. and Giuliani, A. (2003). Electron and photon induced processes in SF₅CF₃. Radiation Physics and Chemistry, 68(1-2) pp. 193–197.

DOI: https://doi.org/10.1016/S0969-806X(03)00279-2

Abstract

The photo-absorption cross section of trifluoromethyl sulphur pentafluoride, SF₅CF₃ has been measured using synchrotron radiation in the range of 4–11 eV (310 nm > λ > 110 nm) and comparison made with electron energy loss spectroscopy (EELS). The measured VUV cross sections are used to derive the photolysis rate of SF₅CF₃ in the terrestrial atmosphere. It is estimated that the lifetime for this molecule is the order of a 1000 years and the calculated global warming potential (GWP) is found to be between 17000 and 18100, making it one of the most potent global warming gases in the terrestrial atmosphere.

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