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    Artificial Moth Eyes Enhance Silicon Solar Cells

    April 16, 2016, Categories  Physics, Technology/Electronics

    (Top) Moth eyes are highly antireflective due to their nanostructured surface. (Middle) An image of a silicon “moth eye” fabricated by polymer self-assembly. (Bottom) A polished, highly reflective silicon solar cell (right) turns completely black (left) after the application of surface nanotexture. Credit: Image courtesy of the Center for Functional Nanomaterials, BNL

    (Top) Moth eyes are highly antireflective due to their nanostructured surface. (Middle) An image of a silicon “moth eye” fabricated by polymer self-assembly. (Bottom) A polished, highly reflective silicon solar cell (right) turns completely black (left) after the application of surface nanotexture. Credit: Image courtesy of the Center for Functional Nanomaterials, BNL

    Mimicking the texture found on the highly antireflective surfaces of the compound eyes of moths, scientists from Center for Functional Nanomaterials at Brookhaven National Laboratory have utilized block copolymer self-assembly to produce precise and tunable nanotextured designs in the range of ~20 nm across macroscopic silicon-based solar cells...

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