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Full-Text Articles in Physical Sciences and Mathematics
Photofragment Imaging Fast Ion Beams, Michael D. Johnston Jr.
Photofragment Imaging Fast Ion Beams, Michael D. Johnston Jr.
Doctoral Dissertations
Metal-containing ions have been the subject of much research due to their roles in catalytic activation and small cluster chemistries. However, they can be difficult to study both experimentally and theoretically, and new approaches are needed. The goal of the research described here is to characterize the electronic structures and thermodynamics of metal-containing ions using gas-phase spectroscopy experiments performed on a powerful new instrument. Presented in the following chapters are the details of a recently built velocity map imaging mass spectrometer that is capable of imaging the photofragments of trap-cooled (≥7K) ions produced in a versatile ion source. This instrument …
Synthesis And Characterization Of Fullerene-Based Hydrogen Storage Materials, Patrick Alan Ward
Synthesis And Characterization Of Fullerene-Based Hydrogen Storage Materials, Patrick Alan Ward
Doctoral Dissertations
Storing hydrogen safely and efficiently is an area of great interest for the utilization of hydrogen as an energy carrier in transportation applications. The feasibility of using fullerenes in hydrogen storage materials was investigated. Alkali decorated fullerenes LixC60 [LixC60] and NaxC60 [NaxC60] were found to enhance the hydrogen chemisorption and physisorption properties of fullerenes. Although the overall hydrogen physisorption uptake in these materials is low due to the crystalline nature of the material, the isosteric heats of adsorption of fullerenes were increased by lithium doping. C60 [C60] is also capable of acting as …