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In this thesis Matthew Simpson reportstwo areas of work in gas ion
spectroscopy, each investigation in itself worthy of a PhD. The
first study uses tunable vacuum-ultraviolet radiation from a
synchrotron to identify negative ions from twenty four photoexcited
polyatomic molecules in the gas phase. From these experiments,
Matthew collects a vast amount of data and summarises and reviews
ion-pair formation from polyatomic molecules. The second study is
on selected ion flow tube mass spectrometry. Matthew investigates
the reactions of cations and anions with ethene, monofluoroethene,
1,1-difluoroethene and tetrafluoroethene. In this study Matthew
tries to explain why certain products are formed preferentially
over other products at a microscopic level of understanding. The
data recorded in this thesis form the most comprehensive collection
of information about anion formation and are the basis of a review
and numerous articles in specialist journals.
In this thesis Matthew Simpson reportstwo areas of work in gas ion
spectroscopy, each investigation in itself worthy of a PhD.The
first study uses tunable vacuum-ultraviolet radiation from a
synchrotron to identify negative ions from twenty four photoexcited
polyatomic molecules in the gas phase. From these experiments,
Matthew collects a vast amount of data and summarises and reviews
ion-pair formation from polyatomic molecules. The second study is
on selected ion flow tube mass spectrometry. Matthew investigates
the reactions of cations and anions with ethene, monofluoroethene,
1,1-difluoroethene and tetrafluoroethene. In this study Matthew
tries to explain why certain products are formed preferentially
over other products at a microscopic level of understanding. The
data recorded in this thesis form the most comprehensive collection
of information about anion formation and are the basis of a review
and numerous articles in specialist journals."
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