For comparison, thats just 0.00003937 inches, or 0.001 millimeters, or smaller than some bacteria.
Conventional photovoltaics are about 150 times thicker.
Thats a key number, as it matchesor evensurpassesthe average efficiency of traditional solar panel materials.
Despite containing several layers of light-absorbing material, a new solar cell is incredibly thin and flexible.© Oxford University
Some of the researchers behind the new tech have already begun trying to go commercial with perovskite solar cells.
Theyve been largely successful: the price of solar power hasfallenby over 80% since 2010.
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