Fluorocarbons in satellite plumes: The photosynthesis and fluorescence from trifluoromethyl radical
Young, Justin W.
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https://hdl.handle.net/2142/100706
Description
Title
Fluorocarbons in satellite plumes: The photosynthesis and fluorescence from trifluoromethyl radical
Author(s)
Young, Justin W.
Contributor(s)
Annesley, Christopher
Issue Date
2018-06-20
Keyword(s)
Small molecules
Abstract
Detailed information on the absorption and emission spectra of satellite plume constituents is lacking. Fluorocarbons are used as a space vehicle propellant in cold gas and pulsed plasma thrusters. Consequently, these uses likely produce small fluorocarbon radicals through pyrolysis and solar driven photolysis. Specifically, it’s been shown that certain VUV wavelengths can produce electronically excited CF3 radicals from parent fluorocarbons,a but it has not been shown if ground state CF3 radicals may be produced as well. Furthermore, the CF3 radical’s laser induced fluorescence spectrum has never been reported. Here we investigate the photosynthesis of CF3 radical from VUV excitation of fluorocarbons, the direct fluorescence from the CF3 radical, and the radical’s relevance in the space environment.
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