Summary

Perovskite is a relatively inexpensive material that has attracted thousands of researchers since 2009, when a team of scientists in Japan first demonstrated its use in solar cells. They achieved an solar energy conversion efficiency of little more than 3%, but since science loves a challenge, that was just the beginning of the story. In the latest chapter, the US firms Heliene and Caeulux have just introduced a new perovskite-enabled solar module that hits the jackpot at up to 27% efficiency, and it is already in commercial production, no less.

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