采用溶胶-凝胶法制备得到Y3+和Ho3+掺杂的TiO2薄膜,XRD分析表明薄膜结晶性能良好,具有锐钛矿晶型.薄膜表面AFM分析表明,薄膜的晶粒具有纳米尺寸.采用紫外-可见分光光度计对掺杂和未掺杂的TiO2薄膜进行紫外一可见吸收光谱分析,表明Y3+和Ho3+掺杂的TiO2薄膜在紫外光区吸光度有所提高,同时在可见光区光吸收范围出现了红移,相同掺杂浓度的Y3+和Ho3+掺杂的TiO2薄膜,前者在400～450nm的可见光区具有更高的吸光度.
参考文献
| [1] | Xu Zhao;Manhong Liu;Yongfa Zhu .Fabrication of porous TiO_2 film via hydrothermal method and its photocatalytic performances[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2007(18):7127-7134. |
| [2] | Yao HC;Tsia TC;Huang CJ;Shieu FS .Effect of annealing on the sn-doped TiO2 films prepared by DC/RF cosputtering[J].Journal of the Electrochemical Society,2007(12):G284-G290. |
| [3] | Yongjun Chen;Dionysios D.Dionysiou .Correlation of structural properties and film thickness to photocatalytic activity of thick TiO2 films coated on stainless steel[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2006(1/2):24-33. |
| [4] | 邹博,吴凤清,阮圣平,邹乐辉,刘彩霞,甘勇,徐宝琨.纳米TiO2薄膜的制备及其紫外光吸收性能的研究[J].功能材料,2004(05):618-620. |
| [5] | L. Zhou;S. Yan;B. Tian .Preparation of TiO_2-SiO_2 film with high photocatalytic activity on PET substrate[J].Materials Letters,2006(3):396-399. |
| [6] | ZHANG Zong-wei;FAN Jun;ZHANG Qin.Characterization and photocatalytic activity of ianthanon-doped nano-TiO2[A].USA:SPIE-Int Soc Optical Engineering,2006 |
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