以钛酸四丁酯和Mg(NO3)2为原料,采用溶胶-凝胶法在较低的热处理温度下制备了Mg2+掺杂的TiO2薄膜,并研究了TiO2薄膜光催化降解甲基橙的情况.采用DTA、XRD、SEM等研究测试手段,发现通过溶胶-凝胶法在TiO2溶胶中加入Mg(NO3)2的方法,可以降低TiO2从无定型到锐钛矿相和锐钛矿相到金红石相的晶型转变温度,并在600C热处理条件下,获得了具有锐钛矿相和金红石相混晶的TiO2薄膜,通过甲基橙水溶液光催化实验表明:其光催化活性高于未掺杂TiO2薄膜的光催化活性.
参考文献
| [1] | Fujishima A;Honda A .[J].Nature,1972,37:238. |
| [2] | Fretwell R;Douglas P .[J].J Photochem Photobio A:Chemi,2001,143:229. |
| [3] | Banfield J F;Welch S A;Zhang H Z .[J].Science,2000,289:751. |
| [4] | Sonawane RS;Kale BB;Dongare MK .Preparation and photo-catalytic activity of Fe-TiO2 thin films prepared by sol-gel clip coating[J].Materials Chemistry and Physics,2004(1):52-57. |
| [5] | Trapalis CC.;Keivanidis P.;Kordas G.;Zaharescu M.;Crisan M.;Szatvanyi A.;Gartner M. .TiO2(Fe3+) nanostructured thin films with antibacterial properties[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2003(1/2):186-190. |
| [6] | Yoshinari M;Oda Y;Kato T;Okuda K .Influence of surface modifications to titanium on antibacterial activity in vitro.[J].Biomaterials,2001(14):2043-2048. |
| [7] | Datye A K;Riegel G;Bolton J R et al.[J].Journal of Solid State Chemistry,1995,115:236. |
| [8] | Uhlmann DR;Suratwala T;Davidson K;Boulton JM;Teowee G .Sol-gel derived coatings on glass[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1997(0):113-122. |
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