纳米TiO_2/Zr_xTi_(1-x)O_2异质结构薄膜的制备及其光催化性质  

Preparation and photocatalysis of TiO_2/Zr_xTi_(1-x)O_2 heterostructures nanometer films

作　　者：刘素文[1] 吕孟凯[1] 宋春风[1] 王淑芬[1] 顾锋[1] 程秀风[1] 许东[1] 袁多荣[1] 

机构地区：[1]山东大学晶体材料国家重点实验室,山东济南250100

出　　处：《功能材料》2004年第2期231-232,235,共3页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(50072012)

摘　　要：　首次报道了采用溶胶 凝胶工艺制备TiO2/ZrxTi1-xO2异质结构光催化薄膜的新方法。薄膜样品的表面形貌、吸收光谱以及光催化性质的测试结果表明,在TiO2光催化薄膜与衬底之间引入ZrxTi1-xO2过渡层,很容易获得晶粒尺寸很小的纳米薄膜;其光催化活性和抗失活稳定性都有明显提高,且超过了DegussaP25薄膜。In this paper, we report a new approach to prepare TiO_2/Zr_xTi_(1-x)O_2 heterostructures photocatalytic films by sol-gel method for the first time. Their surface morphology, absorption spectra and photocatalysis were measured. The results show that nanometer films with very small crystallite size were very easily to be obtained. Their photocatalytic activity and anti-inactivation ability were improved greatly and even exceed those of Degussa P_(25) films.

关 键 词：TiO2/ZrxTi1-O2 异质结构 纳米薄膜 制备 光催化性 

分 类 号：TQ134.11[化学工程—无机化工]