N type multicrystalline silicon wafers from an upgraded metallurgical route

Abstract

N-type silicon wafers present some definite advantages for photovoltaics, mainly due to the low capture cross sections of minority carriers for most metallic impurities. This peculiarity is beneficial for multicrystalline silicon (mc-Si) wafers. Most importantly, this peculiarity could be of a great interest when mc-Si ingots are produced directly from… (More)

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