Researchers at the US Department of Energy’s Idaho National Laboratory (INL), have devised an inexpensive way to produce plastic sheets containing billions of nanoantennas that collect heat energy generated by the sun and other sources.

While methods to convert the energy into useable electricity still need to be developed, the sheets could one day be manufactured as lightweight ‘skins’ that power everything from hybrid cars to iPods with higher efficiency than traditional solar cells, say the researchers. The nanoantennas also have the potential to act as cooling devices that draw waste heat from buildings or electronics without using electricity.

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Researchers have devised an inexpensive way to produce plastic sheets containing billions of nanoantennas that collect heat energy generated by the sun and other sources. The technology, developed at the U.S. Department of Energy’s Idaho National Laboratory, is the first step toward a solar energy collector that could be mass-produced on flexible materials.

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