07.09.2010 17:50 Uhr, Quelle: Engadget

Self-repairing solar cells could also fix our energy dependency

It doesn't take much for a photovoltaic cell to not work quite as well as it used to. Sure, a big hail storm or the like will do a number on your megabucks rooftop installation, but the sun itself, the very thing those cells are designed to capture, gradually damages their internals, reducing efficiency. The fix, according to a team at MIT, is self-assembling (and therefore self-repairing) solar cells made up of a synthetic molecular soup containing phospholipids that, when mixed with a solution, attach themselves to a series of carbon nanotubes for alignment. Other molecules that

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