New technique lets researchers map strain in next-gen solar cells

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Researchers have developed a way to map strain in lead halide perovskite solar cells without harming them. Their approach can image the grain structure of a perovskite solar cell, showing that misorientation between microscopic perovskite crystals is the primary contributor to the buildup of strain within the solar cell. Crystal misorientation creates small-scale defects in the grain structure, which interrupt the transport of electrons within the solar cell and lead to heat loss.

This full article appears on <a href="https://www.sciencedaily.com/releases/2019/10/191031174651.htm">Science Daily</a>

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