One Step Closer to Artificial Leaves That Convert Water to Fuel | Alternative Energy | Forums

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PASADENA, California, April 1, 2015 (ENS) – Inspired by a chemical process found in leaves, researchers at the California Institute of Technology have developed an electrically conductive film that could lead to devices that harness sunlight to split water (H2O), safely creating hydrogen fuel.

When applied to semiconducting materials such as silicon, the nickel oxide film facilitates an important chemical process in the solar-driven production of fuels such as methane or hydrogen.

“We have developed a new type of protective coating that enables a key process in the solar-driven production of fuels to be performed with record efficiency, stability, and effectiveness, and in a system that is intrinsically safe and does not produce explosive mixtures of hydrogen and oxygen,” says Nate Lewis, a distinguished professor of chemistry at Caltech and coauthor of a new study that describes the film.

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