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Submission + - "Game Changing" Furnace Improves Solar PV Producti (

riverat1 writes:

A game-changing Optical Cavity Furnace developed by the U.S. Department of Energy's National Renewable Energy Laboratory uses optics to heat and purify solar cells at unmatched precision while sharply boosting the cells' efficiency.

So states a release by the NREL. The furnace uses about half the energy of a conventional thermal furnace, costs one quarter to one half as much and processes wafers in a significantly shorter time. Researchers ultimately expect to be able to improve solar cell efficiency by about 4% using the furnace.

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"Game Changing" Furnace Improves Solar PV Producti

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A rock store eventually closed down; they were taking too much for granite.