02 May '15, 12pm

Perovskite Solar Cells Yielding More Power

Perovskite Solar Cells Yielding More Power

This mineral could hold the key to cheap, efficient solar cells. Image: James St. John Perovskites is currently all the rage in solar cell technology and researchers have found a way to make them even more efficient. Perovskite is a type of mineral formed in the earths mantle and is an excellent light harvester. Manufacturers are particularly interested in using perovskites in solar cell development as it is cheaper to produce than the traditional silicon based cells. Researchers from the University of Washington have closely analyzed perovskite to find ways to improve solar cell efficiency using a technique called confocal optical microscopy. They found that perovskites have “dark patches” that do not harvest light as well. More importantly they discovered that by applying a simple chemical treatment these dark patches can be “turned on”. “Surprisingly, this result shows ...

Full article: http://www.greenoptimistic.com/perovskite-solar-cells/

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