Protein Power: Solar cell produces electricity from spinach and bacterial proteins

By Alexandra Goho, 15:50 PM April 15, 2008

Inspired by the efficiency with which plants convert sunlight into sugar, researchers have fabricated a solar cell that uses photosynthetic proteins to convert light into electricity. Although the prototype device can't yet rival commercial solar cells made of silicon, it demonstrates a new strategy for making longer-lasting photovoltaic cells.

To make the solar cell, a team of biologists and engineers led by Marc Baldo of the Massachusetts Institute of Technology (MIT) harvested photosynthet...

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