利用直流磁控反应溅射技术在玻璃衬底上制备了透明的纳米TiO2光催化薄膜.利用离子注入技术将Sn离子注入到TiO2表面以提高其光催化活性.用X射线衍射(XRD)、X射线光电子谱(XPS)以及UV-VIS分光光度计对薄膜进行结构与性能表征.Sn离子注入后的薄膜具有更高的光催化活性,这是因为在TiO2和SnO2半导体的复合体系中,电子-空穴对的分离变得更加有效,从而提高了其催化性能.
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