24 Oct '11, 8pm

New technology in furnaces improves efficiency and manufacturing of solar panels @EnergySvgTrust @nlpmum

New technology in furnaces improves efficiency and manufacturing of solar panels @EnergySvgTrust @nlpmum

Light Has Multiple Advantages in Furnaces Photons have special qualities that prove useful in creating solar cells. When light is shined on silicon atoms that are bonded electronically to each other it changes their potential. The work by Bhushan Sopori and his colleagues ensures that that change is for the better. The Optical Cavity Furnace shines visible and near-infrared light to heat the solar cell, and also shines ultraviolet light to take advantage of photonic effects that occur deep within the atomic structure of the cell material. This combination offers unique capabilities that lead to improved device quality and efficiency. Iron and other impurities can degrade the silicon quality quickly, noted Sopori, the principal investigator for the Optical Cavity Furnace (OCF), developed by the U.S. Department of Energy's National Renewable Energy Laboratory and its private...

Full article: http://www.nrel.gov/news/features/feature_detail.cfm/feat...

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