A Direct wafer 6 x 6 solar cell at the CubicPV facility in Bedford, MA on August 5, 2021.
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In 1839, German scientist Gustav Rose went prospecting in the Ural Mountains and discovered a dark, shiny mineral. He named the calcium titanate “perovskite” after Russian mineralogist Lev Perovski. The mineral was one of many that Rose identified for science, but nearly two centuries later, materials sharing…