Researchers tame rust in developing solar fuel

05/29/2014 | Bloomberg

Researchers at the California Institute of Technology have come up with a method to stop corrosion in semiconductor materials, such as silicon and gallium arsenide, as part of a federally funded program to develop a carbon-free, low-energy way to produce solar fuel by next year. "For the better part of 50 years these technologically important semiconductors have all been discarded for this application because they all corrode," said Nate Lewis, director of Caltech's Joint Center for Artificial Photosynthesis.

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