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Showing 1 to 2 of 2 for “"pump-push-probe spectroscopy"”.
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Spectroscopic Studies on the Impact of Defects in Hybrid Organic-Inorganic Perovskites on Charge Carrier Dynamics and Photovoltaic Device Performance
… this characterization, along with time-resolved spectroscopy, to better understand the influence of carrier dynamics on solar cell device performance. We observed that a decrease in device fill factor corresponded to an increase in trap state density and a change in the trapping rate constant, …
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Spectroscopic Studies of Charge Dynamics in Non-Fullerene Organic Solar Cells
… the model system P3TEA:SF-PDI$_2$ via pump-probe spectroscopy and time-resolved photoluminescence spectroscopy. We find ultrafast charge generation as well as regeneration of singlets via encounters of free electrons and holes. Additionally, we observe slow ($\sim$ 100 ps) and thermally …