“Using the power of the sun and ultrathin films of iron oxide (commonly known as rust), researchers at the Technion, Israel’s Institute of Technology, have found a novel way to split water molecules to hydrogen and oxygen. The breakthrough, published this week in the scientific journal Nature Materials, could lead to less expensive, more efficient ways to store solar energy in the form of hydrogen-based fuels. This could be a major step forward in the development of viable replacements for fossil fuels.
‘Our approach is the first of its kind,” says lead researcher, Associate Professor Avner Rothschild, of the Department of Materials Science and Engineering. “We have found a way to trap light in ultrathin films of iron oxide that are 5,000 thinner than an office paper. This enables achieving high solar energy conversion efficiency and low materials and production costs.’”
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