The Role of Black-Silicon Solar Cells in Making Solar Energy More Affordable


Solar Cell Image; Credit: © Shutterstock

The National Renewable Energy Laboratory, which is part of the United States Department of Energy, recently discovered how to produce black-silicon solar cells that are a step above anything else on the market. At just above 18 percent efficiency, these solar cells are unique in that they do not require any additional anti-reflection layers. As a result, they will help bring down the often substantial price tag associated with solar power.
Solar cells are typically expensive because they cost a lot to manufacture. They often need multiple anti-reflection layers, and each one increases the cost of the product. The cells developed by the NREL, however, are different. Their top layer was specifically created so that power can still be garnered from the product even though it is made from black silicon.
Researchers were able to figure out a way to create billions of tiny…

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