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Nature 414, 589-590 (6 December 2001) | doi:10.1038/414589a
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Light work with water
Nathan S. Lewis
Abstract
Sunlight can be harnessed by semiconductors to generate a fuel, hydrogen gas, from water. This approach will be impracticable until certain materials-related constraints are overcome: photochemists are on the case.
A stable and efficient material that uses sunlight to split water into hydrogen and oxygen would be an immense blessing. Water and sunlight are both renewable resources, and cheap.
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