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Descripción
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| Today's solar cells absorb only visible light, wasting the infrared that makes up half of the Sun's output that reaches Earth. But a new material developed in Spain can absorb infrared too, and should make it possible to hike the power solar cells can produce, say researchers. Conventional solar cells are based on a semiconductor such as silicon. But their inability to soak up infrared gives them a theoretical absorption limit of just over 40% of solar energy. In practice, they only absorb about 30%. The new material, though, can harness both visible and infrared photons, so it has a theoretical maximum efficiency of 63%, it creators say, and should give significantly better real-world performance | |
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Internacional
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Si |
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Entidad
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Lugar
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http://www.newscientist.com/article/dn14436-solarcell-material-can-soak-up-more-sun.html?full=true&print=true |
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Páginas
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Referencia/URL
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31 de Julio 2008 |
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Tipo de publicación
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Noticia de divulgación |