Effects of the DC bias in a molten silic
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M. Benmansour; S. Rousseau; D. Morvan
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Article
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2008
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Elsevier Science
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English
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The aim of this work is the purification and the hydrogenation of metallurgical grade silicon for photovoltaic applications using a thermal plasma process. In addition to the plasma treatment, a DC bias of the liquid silicon was used to increase the kinetics of impurity extraction and hydrogenation