表面修饰TiO2光催化薄膜的表征

稀有金属材料与工程, 2004, 33(2): 125-127.

表面修饰TiO2光催化薄膜的表征

郑树凯 ^1, , 郝维昌 ^2, , 程躜 ^3, , 潘峰 ^4, , 王天民 ^5, , 赵艳玲 ^6, , 蒋湘宁 ^7,

1.北京航空航天大学,北京,100083

2.北京航空航天大学,北京,100083

3.北京航空航天大学,北京,100083

4.北京航空航天大学,北京,100083

5.北京航空航天大学,北京,100083

6.北京林业大学,北京,100083

7.北京林业大学,北京,100083

基金项目: The Foundation of Key Laboratory in University for Radiation Beam Technology and Materials Modification, Beijing Normal University 国家自然科学基金(59982002)

关键词： TiO2薄膜 , 表面修饰 , 光催化活性

Characterization of Surface Modified TiO2 Photocatalytic Thin Films

Keywords： TiO2 thin film , surface modification , photocatalytic activity

利用射频磁控溅射技术,以Ar和O2气混合气体为溅射气体在载玻片上制备了锐钛相TiO2薄膜.为了提高TiO2薄膜的光催化活性,在TiO2薄膜表面进行了钽修饰.利用X射线衍射(XRD),原子力显微镜(AFM)和UV-VIS-NIR分光光度计等技术对薄膜进行了表征.结果表明:对TiO2薄膜的表面进行适量的Ta元素修饰可以提高其光催化活性.

Anatase phase TiO2 thin films were prepared on microscope glass slides by r.f. magnetron sputtering using Ar and O2 mixed gases. Then tantalum modified TiO2 thin film was obtained to improve its photocatalytic activity.The films were characterized by X-ray diffraction (XRD), atomic force microscope (AFM) and UV-VIS spectrophotometer. The results indicated that using of proper quantity of Ta to modify the surface of TiO2 thin film can improve its photocatalytic activity.

参考文献

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