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Perovskites: Solar power revolutionary or cleantech fad?

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In the year since the Inflation Reduction Act supercharged clean energy manufacturing, rarely does a week go by without a new solar factory notice. Rich incentives have led to unprecedented investments.

But making solar panels is really hard. Not only does it require a lot of energy, but complicated global supply chains leave profit margins razor thin. And existing technology is bumping up against theoretical efficiency limits.

Industry heavyweights see perovskite solar cells as the heir apparent to the crystalline chemistries that currently dominate global…

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