Black doesn’t reflect as well as, for instance, white, and black also absorbs heat well.
In: Technology
Because of the way light interacts with a monocrystalline silicon layer, monocrystalline solar panels appear black in color. The process of aligning the silicon into one crystal, known as the Czochralski process, is energy-intensive and results in some wasted silicon. California-based Solaria has designed a sleek, all-black solar panel with an efficiency of up to 19.4 percent, spotted by Electrek. Solaria manufactures products with less space between the monocrystalline silicon solar cells for better efficiency than conventional solar panels, which tend to hit 15 to 17 percent.
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