Designers of solar cells may soon be setting their sights higher as a discovery by a team of researchers has revealed a class of materials that could be better at converting sunlight into energy than those currently being used in solar arrays. Their research shows how a material can be used to extract power from a small portion of the sunlight spectrum with a conversion efficiency that is above its theoretical maximum — a value called the Shockley-Queisser limit. This finding could lead to more power-efficient solar cells.
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http://www.nature.com/nphoton/journal/vaop/ncurrent/full/nphoton.2016.143.html
