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Nanowire Solar Cells Soak Up Sunlight (1 of 6)

Caption: This shows a computer simulation of the absorption in five nanowires. The sunlight comes in from the top. The dark red areas, near the top, have the strongest absorption, while the dark blue areas have the weakest absorption. The simulation was done in three dimensions, but the figure shows a cross-section. This image relates to a paper that appeared in Jan. 17, 2013, issue of Science Express, published by AAAS. The paper, by Jesper Wallentin at Lund University in Lund, Sweden, and colleagues was titled, “InP Nanowire Array Solar Cells Achieving 13.8% Efficiency by Exceeding the Ray Optics Limit.”

Credit: [Image courtesy of Wallentin et al.]

Usage Restrictions: Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission.

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