Perovskite photovoltaic cells could be manufactured cheaper by using spray-on technology

Researchers have developed a special spray on manufacturing process that can significantly lower the costs of production of perovskite solar cells. A thin layer of perovskite absorber is sprayed on the surface to create light absorbing layer. The efficiency of the produced solar cells is only about 11 percent, but the costs of production are relatively low. This system could be easily used for large scale production of low cost solar cells. Considering the fact that the silicone based photovoltaic cells manufacturing is high energy consuming and expensive, perovskites will certainly find their way to the market. The most efficient perovskite solar panels could have efficiency of up to 19 percent, but there will certainly be more development in the future. 

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http://www.gizmag.com/spray-on-perovskite-solar-cells/33383/