Perovskite solar cells. Major new breakthrough!
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Perovskite structures have the potential to revolutionise the solar PV industry, but they are notorious for breaking down very rapidly in real-world use. Now...

Perovskite structures are notorious for breaking down very rapidly in real-world use. Now a research team from Princeton University has developed a process for overcoming that problem, making perovskite a real competitor to existing silicon PV technology.

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https://en.wikipedia.org/wiki/Perovskite_solar_cell

Key takeaway of the wiki article:

Solar cell efficiencies of laboratory-scale devices using these materials have increased from 3.8% in 2009[3] to 25.7% in 2021 in single-junction architectures,[4][5] and, in silicon-based tandem cells, to 29.8%,[4][6] exceeding the maximum efficiency achieved in single-junction silicon solar cells. Perovskite solar cells have therefore been the fastest-advancing solar technology as of 2016.[1] With the potential of achieving even higher efficiencies and very low production costs, perovskite solar cells have become commercially attractive. Core problems and research subjects include their short- and long-term stability.[7]

This new advancement might fix their biggest flaw.

A graph showcasing the recent rapid progress with perovskite solar cell technology:

https://upload.wikimedia.org/wikipedia/commons/3/33/ModulePVeff(rev200708).png

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