研究了SiCl4浓度对等离子体增强化学气相沉积(PECVD)系统中以SiCl4/H2为反应气体的微晶硅薄膜生长及光电特性的影响.结果表明,微晶硅薄膜的沉积速率和晶化率均随SiCl4浓度的增加而增大,而晶粒平均尺寸在SiCl4浓度小于65％时呈增大趋势,在SiCl4浓度大于65％时呈减小趋势;此外,光照实验表明制备的微晶硅薄膜具有较稳定的微观结构,具有类稳恒光电导效应,且样品的电导率依赖于SiCl4浓度的变化.此外,还讨论了Cl基基团在微晶硅薄膜生长过程中所起的作用.
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