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Insights on local chemical structure of chalcogenide photovoltaic materials using solid state NMR spectroscopy
DownloadSpring 2023
Quaternary chalcogenides with the formula I2-II-IV-VI4 have emerged as promising candidates for photovoltaic materials, but many details about their structures remain poorly understood. This thesis describes the synthesis, structure determination, and optical properties of the sulfides Cu2MTtS4...
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Fall 2024
Despite the widespread use of hydrofluoric acid (HF) in the preparation of silicon surfaces, the true nature of fluorinated surface species remains unclear. Here, an array of characterization techniques led by solid-state nuclear magnetic resonance spectroscopy is employed to uncover the nature...