摘要:在FLINAK-Na2SiF6熔盐体系中,以Pt为参比电极、硅钢片为工作电极、石墨为辅助电极,在750℃的温度下,用循环伏安法和计时安培法对硅的电结晶过程进行研究.结果表明,该熔盐体系中硅的电沉积经历了晶核形成过程,并需要一定的过电位,其电结晶按连续成核和三维生长方式进行,晶体生长速度常数k'的对数值与阶跃电位基本呈线性关系,并随阶跃电位的负移而增大,外加电位对Si晶体生长具有显著的影响.
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