应用直流磁控反应溅射法,在玻璃基体上制备了具有光催化活性的TiO2薄膜.TiO2薄膜的厚度随沉积时间的增加而均匀增长.基体温度则在溅射的最初1h很快上升到110℃,溅射7h基体温度不超过130℃.溅射2h得到的是非晶态TiO2薄膜,而溅射3~7h制备的薄膜为锐钛矿型结构.非晶态和小晶粒TiO2薄膜的紫外一可见透射光谱谱带边沿与结晶较好的TiO2薄膜相比有明显的蓝移,薄膜的透射率随沉积时间的增加而下降.钛以四价钛的形式存在于TiO2薄膜中.TiO2薄膜的光催化活性随沉积时间争薄膜厚度的增加而有较大提高.
参考文献
[1] | Eufinger K;Janssen EN;Poelman H;Poelman D;De Gryse R;Marin GB .The effect of argon pressure on the structural and photocatalytic characteristics of TiO2 thin films deposited by d.c. magnetron sputtering[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2006(2):425-429. |
[2] | Zhang W J;Li Y;Wang F H .[J].Journal of Materials Science and Technology,2002,18(02):101-107. |
[3] | Eufinger, K;Poelman, D;Poelman, H;De Gryse, R;Marin, GB .Photocatalytic activity of dc magnetron sputter deposited amorphous TiO2 thin films[J].Applied Surface Science,2007(1):148-152. |
[4] | Duminica FD;Maury F;Hausbrand R .Growth of TiO2 thin films by AP-MOCVD on stainless steel substrates for photocatalytic applications[J].Surface & Coatings Technology,2007(22/23):9304-9308. |
[5] | Ho W;Yu J;Lee S .[J].Applied Catalysis B:Environmental,2007,73(1-2):135-143. |
[6] | Yao K S;Wang D Y;Yan J J;et el .[J].Sud Coat Technol,2007,201(15):6882-6885. |
[7] | WANG Wei;TAO Jie;WANG Tao;WANG Ling .Photocatalytic activity of porous TiO_2 films prepared by anodic oxidation[J].are Metals,2007(2):136-141. |
[8] | 任学昌,史载锋,孔令仁.TiO2薄膜的Ag改性及光催化活性[J].催化学报,2006(09):815-822. |
[9] | Terashima M.;Kashiwabara S.;Fujimoto R.;Inoue N. .Photocatalytic TiO2 thin-films deposited by a pulsed laser deposition technique[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2001(0):535-538. |
[10] | 张文杰,朱圣龙,李瑛,王福会,何红波.玻璃和石英基体上沉积的TiO2薄膜的光催化性能[J].催化学报,2007(03):269-273. |
[11] | Tavares C J;Vieira J;Rebouta L et al.[J].Materials Science and Engineering B:Solid State Materials for Advanced Technology,2007,138:139-143. |
[12] | McMurray TA;Dunlop PSM;Byrne JA .The photocatalytic degradation of atrazine on nanoparticulate TiO2 films[J].Journal of Photochemistry and Photobiology, A. Chemistry,2006(1):43-51. |
[13] | Maira A J;Yeung K L;Soria J;et el .[J].Applied Catalysis B:Environmental,2001,29:327-336. |
[14] | Linsebigler A L;Lu G Q;Yates J T .[J].Chemical Reviews,1995,95(01):735-758. |
[15] | Pouilleau J.;Groult H.;Marcus P.;Devilliers D. .SURFACE STUDY OF A TITANIUM-BASED CERAMIC ELECTRODE MATERIAL BY X-RAY PHOTOELECTRON SPECTROSCOPY[J].Journal of Materials Science,1997(21):5645-5651. |
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