Theoretically, two layers are better than one for solar-cell efficiency

ScienceDaily
Sep 15, 2020, 7:42 pm210 pts
Solar cells have come a long way, but inexpensive, thin film solar cells are still far behind more expensive, crystalline solar cells in efficiency. Now, a team of researchers suggests that using two thin films of different materials may be the way to go to create affordable, thin film cells with about 34%…

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