Extending single molecule spectroscopic techniques to multi-particle systems of semiconductor nanocrystals
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This dissertation describes the application of single molecule spectroscopic techniques to individual semiconductor nanocrystals (NCs), small clusters of NCs, and NCs used as the light harvesting layer in sensitized solar cells. We first examine how coupling between close-packed NCs may alter their photophysical properties by studying isolated NCs and small clusters of NCs via single molecule time-correlated single-photon counting, from which fluorescence intensity trajectories, autocorrelation functions, decay histograms, and lifetime-intensity distributions have been constructed. These ...