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Silicon Nanowires Show Promise for Solar Applications

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Michael A. Greenwood

As the search continues for efficient and inexpensive materials to harvest solar energy, investigators at MIT in Cambridge have found that silicon nanowire arrays may offer some advantages over the more established thin-film technology. Researchers studied the optical absorption abilities of silicon nanowire arrays. Courtesy of Lu Hu. Researchers Lu Hu and Gang Chen report that, based on numerical simulation, nanowire arrays in some configurations have a much lower reflectance compared with thin films, meaning that more incoming light is harnessed and converted into usable energy....Read full article

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    Published: December 2007
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    CoatingsenergyFeaturesnanosilicon nanowire arraysSolar Energythin-film technology

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