Chalcogenide perovskites: The next frontier in solar technology?

For decades, silicon has been the backbone of the solar industry, but it's nearing its theoretical efficiency limit of 29.4%. To push beyond this cap, scientists are turning to tandem solar cells, which have layered materials to capture more sunlight. However, finding the right companion materials is a daunting task due to defects that hinder their efficiency. Silicon's dominance owes much to the microchip industry's ability to produce flawless wafers—a standard that newer materials struggle to meet.

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