The trick is to coat an object or any material in perovskite, a calcium
titanium oxide mineral -- it's inexpensive like organic solar cells, but
absorbs light nearly as well as silicon.
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In the lab, the technology isn't quite ready for culmination yet. A
spray-based cell gets about 11 percent efficiency versus 19 percent at
perovskite's ideal performance. However, it's still early days.
Scientists believe that their approach could ramp up to the same
manufacturing methods and processes used for spray painting vehicles. If that
happens, it's conceivable that your future car and virtually any other
device could harvest the sun's rays without the steep costs and awkward designs that are frequently involved when you use old-fashioned solar panels.
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