Perovskite + silicon solar panels hit efficiencies of over 30%

The two-layer panels still suffer from rapid decay of performance, though.

https://arstechnica.com/science/2023/07/perovskite-silicon-solar-panels-hit-efficiencies-of-over-30/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social