Solar silicon, polycrystalline silicon material, a method of manufacturing a polycrystalline silicon solar cell and silicon for solar cell
2012
Provided are the following: a silicon for a solar cell, the silicon having a boron concentration of 0.04 ppmw to 0.32 ppmw, inclusive, a phosphorus concentration of 0.06 ppmw to 0.4 ppmw, inclusive, and an aluminum concentration of 1.2 ppmw to 4.5 ppmw, inclusive; a polycrystalline silicon material produced using the silicon; a polycrystalline silicon solar cell; and a method for producing the silicon for a solar cell.
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