Transient current analysis in perovskite solar
Howe, Ben
Howe, Ben
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Abstract
The characteristic timescale of the transient current decay is an indicator of the underlying charge transport and relaxation mechanisms in perovskite solar cells. In this experiment, a solar cell was subjected to a bias voltage in the dark. Upon removal of the bias voltage, we measured the resulting transient current, which provides insights into the dynamics of charge carriers within the solar cell. A transient current that persists longer than the electron-hole recombination timescale strongly indicates that mobile ionic species are the primary source of the response. By integrating this current, we obtained a measure of the accumulated charge.
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Date
2025-05-29
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Graduate
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Poster Presentation
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Physics
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College of Engineering and Mathematical Sciences
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Physical Science