Perovskite has a lot going for it in our search for a cheap, efficient way to harvest solar energy. With a dusting of organic molecules, these crystalline structures have been able to convert more than a quarter of the light falling onto them into electricity.
Theoretically, perovskite crystals made with the right mix of materials could push this limit beyond 30 percent, outperforming silicon-based solar cells (which is currently the most abundant solar panel technology), and at a much lower cost. It’s all good on paper, but in reality, something has been holding the technology back.
Combine calcium, titanium, and oxygen under the right conditions and you’ll form repeating cages of molecules that look like a bunch of boxes joined at their corners.
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