阐述了挥发性硅化物还原或分解法和冶金级硅精炼法生产太阳能级多晶硅的生产工艺.目前生产多晶硅的主要方法是改良的西门子法,但该方法在降低生产成本上显得力不从心.冶金级硅精炼法是一种制备低成本太阳能级多晶硅的方法,然而该方法不能有效地去除B和P,只能选择B和P含量很少的冶金级硅为原料制备多晶硅.锌还原法是生产低成本太阳能级多晶硅的优势方法,分析表明锌还原法与西门子法相结合不失为生产多晶硅的好方法.
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