Material Traps Light on the Cheap
The flexible composite requires far less silicon than today’s solar cells. A new photovoltaic material performs as well as the one found in today’s best solar cells, but promises to be significantly cheaper. The material, created by researchers at Caltech, consists of a flexible array of light-absorbing silicon microwires and light-reflecting metal nanoparticles embedded in a polymer.
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Material Traps Light on the Cheap
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