30 Dec '11, 3pm

Using Light to Make Solar Panels

A new optical furnace that uses intense light rather than a conventional furnace to heat the silicon to make solar cells saves about half the energy needed . The process uses a furnace with "highly reflective and heat-resistant ceramics to ensure that the light is absorbed only by a silicon wafer, not by the walls inside the furnace." The process was developed by scientists at the National Renewable Energy Laboratory (NREL).

Full article: http://www.ecogeek.org/solar-power/3669-using-light-to-ma...

Tweets

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