Bob Yirka, Phys.org12.01.20
A team of researchers at the Hebrew University of Jerusalem has developed a technique for producing recyclable perovskite used in solar cells.
In the team's paper published in Proceedings of the National Academy of Sciences, the group describes its technique and the efficiency of the solar cells after they have been recycled.
As much of the world seeks to find greener energy sources, wind, hydro, geothermal and solar have been found to be the most promising. Of these, solar has become the most prominent for widespread small use applications (such as on rooftops).
But despite much effort, converting small-scale operations to solar has proven to be difficult due to its cost compared to traditional sources.
In recent years, solar has also come under scrutiny due to its less-than-green fabrication attributes—production of solar cells is "dirty" and they degrade over time, which means they win
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