Watering solar cells makes them grow ... in power

Watering solar cells makes them grow ... in power Onna, Japan (SPX) Jul 28, 2016 - Perovskite solar cells are the rising star in the photovoltaic landscape. Since their invention, less than ten years ago, their efficiency has doubled twice and it is now over 22% - an astonishing result in the renewable energy sector. Taking the name 'perovskite' from the light-harvesting layer that characterizes them, these solar cells are lighter, cheaper, and more flexible than the tra ... more

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