Nanowires in three materials imaged by a scanning electron microscope. A thread is a thousand times thinner than a strand of hair. The red and blue colour shows the direction of the current, and that the nanowires work as a tandem solar cell. Credit: Lund University
Physics researchers at Lund University in Sweden recently succeeded in constructing small solar radiation-collecting antennas—nanowires—using three different materials that are a better match for the solar spectrum compared with today’s silicon solar cells. As the nanowires are light and require little material per unit of area, they are now to be installed …
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