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A comment on Scientists invent double-sided solar panel that generates way more electricity. Parent comment
Bifacial panels have two layers of transistors on the silicon subtrate. One on the front and one on the back. Monofacial panels have just one layer. See for example https://en.wikipedia.org/wiki/Bifacial_solar_cells#/media/Fi...
Bifacial panels have two layers of transistors on the silicon subtrate. One on the front and one on the back. Monofacial panels have just one layer. See for example https://en.wikipedia.org/wiki/Bifacial_solar_cells#/media/Fi...