Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"lifetime enhancement"”.
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Plasmonics for On-Chip Photodetectors and Light Sources
… the significant reduction in fluorescence lifetimes observed for quantum emitters coupled to nanophotonic cavities enhances their viability for use in quantum memory schemes. Many solid-state quantum memories suffer from short coherence times; however, if the fluorescence lifetime is much …
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Fluorescence Enhancement Strategies for Polymer Semiconductors
… diodes. This thesis investigates fluorescence enhancement strategies for high-mobility polymer semiconductor systems and the mechanisms by which they currently display poor emission properties. Four independent approaches were taken and are detailed as follows. 1. Solubilising chain engineering …
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Making Nuclear Magnetic Hyperpolarization Practical through Storage in Disconnected Eigenstates
… I show that disconnected states with long lifetimes can be populated in conjunction with hyperpolarization techniques to simultaneously yield large signal amplitudes for long durations. </p><p>Applications of hyperpolarized spin order are likely to be in complex geophysical or biological …
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Defect engineering strategies for solar grade silicon and their optimization by predictive simulation
… material. As-grown and post-processed electron lifetimes and solar cell efficiencies are calculated assuming the time-temperature profile of a standard PDG during device processing. In those regions of the ingot where Fe is the main performance-limiting defect, good agreement between …