Nanotubes harvest wasted light for more powerful solar cells

04/6/2014 | ASME.org

An array of multi-walled carbon nanotubes on the sun-facing surface of solar cells captures light waves that would otherwise be wasted, generating heat that is turned back into light that the cells can use. The development by Massachusetts Institute of Technology researchers combines solar photovoltaic and thermal energy and may yield much more efficient solar cells.

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