Revolutionary solar cells double as lasers
Cambridge, UK (SPX) Apr 01, 2014 - Commercial silicon-based solar cells - such as those seen on the roofs of houses across the country - operate at about 20% efficiency for converting the Sun's rays into electrical energy. It's taken over 20 years to achieve that rate of efficiency. A relatively new type of solar cell based on a perovskite material - named for scientist Lev Perovski, who first discovered materials with this ... more
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