This new material keeps solar cells cool while still catching lights Updated On Mon, May 9th, 2016 by Saurenergy Solar cells capture sunlight and turn it into electricity, but most of the surplus energy turns into heat, which actually harms the solar cell and interestingly solar cells are only about 20 percent efficient. Researchers at Stanford University, Palo Alto, California, USA have come out with a technology to keep the solar cells cool. The […] Read more