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Engineers invent transparent coating that cools solar cells to boost efficiency

September 23, 2015

solar-cellsEngineers have invented a transparent material that improves the efficiency of solar cells by radiating thermal energy (heat) into space.

Every time you stroll outside, you emit energy into the universe: Heat from the top of your head radiates into space as infrared light.

Now, three Stanford engineers have developed a technology that improves on solar panel performance by exploiting this basic phenomenon. Their invention shunts away the heat generated by a solar cell under sunlight and cools it in a way that allows it to convert more photons into electricity.



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