Home Energy Perovskite Solar Cells Grow Better With a Dash of Acrylic Glass

Perovskite Solar Cells Grow Better With a Dash of Acrylic Glass

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The conversion efficiency of solar cells based on perovskite crystals has shot up from 3.8 to 22.1 percent in less than a decade, an unprecedented rise in the field of photovoltaics. “Perovskites have rocked the whole photovoltaic community,” says Michael Grätzel, director of the École Polytechnique Fédérale de Lausanne’s Laboratory of Photonics and Interfaces. Trying to keep the progress going, he and his colleagues have found a way to grow bigger, better performing perovskite cells—by growing with ordinary acrylic glass.