New solar cell devices that are cheaper and easier to make could soon make their way to market thanks to materials made at Imperial College London.
Traditional solar cells are made from silicon, which has good efficiency and stability, but is relatively expensive to make and can only be manufactured in stiff panels.
Perovskite solar cells offer an intriguing alternative; they can be printed from inks, making them low cost, high efficiency, thin, lightweight and flexible. However, they have trailed behind silicon solar cells in efficiency and, importantly, stability, breaking down under normal environmental conditions.
New metal-containing materials called ferrocenes could help with these problems...
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