Silicon-based solar cells have a theoretical efficiency limit of around 30 per cent, but adding a perovskite layer enables new designs to harvest more energy
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Existing solar cells are normally only used on flat, static surfaces to avoid them cracking, but now there is a flexible alternative with the same energy-generating efficiency
LEDs made from perovskite, a titanium and calcium crystal, are a potential alternative to silicon-based ones, but until now haven't been able to match them for stability and efficiency