Perovskite solar cells surpass 20 percent efficiency

Perovskite solar cells surpass 20 percent efficiency Lausanne, Switzerland (SPX) Jun 10, 2016 - EPFL researchers are pushing the limits of perovskite solar cell performance by exploring the best way to grow these crystals. Michael Graetzel and his team found that, by briefly reducing the pressure while fabricating perovskite crystals, they were able to achieve the highest performance ever measured for larger-size perovskite solar cells, reaching over 20% efficiency and matching the perform ... more

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