Vacuum Ultraviolet Photoionization of Methane-Water Clusters Leads to Methanol Formation
Nureshan Dias,
Alexander K. Lemmens,
Anna Wannenmacher
et al.
Abstract:We report on the photoionization
of a series of small methane-water
mixed clusters generated in a supersonic jet expansion. The resulting
clusters are investigated by synchrotron-based single photon vacuum
ultraviolet (VUV) ionization coupled with reflectron time-of-flight
mass spectrometry. Pure methane clusters (CH4)
n
+ and protonated water clusters (W
n
H)+ dominate the mass spectra, however
with judicious control of backing pressure and mixing ratio, mixed
methane-water clusters are generated. We gain un… Show more
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