• CORRECTION: This story was updated on Sept. 13, 2012, to reflect that thin-film solar cells other than those made from amorphous silicon are on the market.

Latest News
Web Date: September 11, 2012

Solar Cells From Inexpensive, Low-Grade Silicon

Materials: Nanostructured ribbons of silicon absorb light with high efficiency
Department: Science & Technology
News Channels: Nano SCENE, Materials SCENE, Environmental SCENE
Keywords: silicon solar cells, nanopillar, nanostructured solar cell, flexible solar cell, low-grade silicon, metallurgical-grade silicon

Researchers have made flexible solar cells by carving light-trapping nanostructures into thin strips of low-grade silicon (Nano Lett., DOI: 10.1021/nl3020445). Because the cells use tiny quantities of inexpensive, low-quality silicon, they should cost much less than rigid crystalline silicon cells on the market, says Akram Boukai, a materials science and engineering professor at the . . .

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