| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To stably and inexpensively provide silicon for solar cells. <P>SOLUTION: An aspect of the method for producing silicon for solar cells comprises a step (1) of obtaining silicon tetrachloride by chlorinating a silicon-containing substance that contains zeolite in the presence of a carbon-containing substance, a step (2) of separating and purifying silicon tetrachloride obtained by the step (1), and a step (3) of obtaining polycrystalline silicon by reacting silicon tetrachloride purified in the step (2) with gaseous zinc. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
