介绍了由Ti(OR)4合成二氧化钛光触媒的反应机理和合成工艺.X射线衍射分析表明,由该工艺得到的无定形的二氧化钛粉末即使在加热到650 ℃,所得的光触媒仍属于锐钛型.对四氯化钛合成二氧化钛光触媒的高温工艺研究表明,乙醇的浓度对光触媒的晶型有较大的影响,从含与不含乙醇的溶剂中得到的无定型TiO2在加热到430 ℃时,得到的光触媒的晶型不同,前者为金红石型,后者为锐钛型;而低温工艺得到的是锐钛型的TiO2光触媒.分析了低温合成工艺的优缺点.
参考文献
| [1] | 桥本和仁;藤岛昭.二氧化钛光触媒全书[M].东京:CMC,1998 |
| [2] | 松本制药工业株式会社 .[OL].http://www.m-chem.co.jp/products1.html |
| [3] | J Mühlebach;K Müller;G Schwarzenbach.Peroxo complexed of titanum[J].Inorganic Chemistry,1970(09):2381. |
| [4] | ICHINOSE J;TERASADI M;KATSUDI H .Syntheses of peroxo-modified anatase sol from peroxo titanic acid solution[J].Journal of Soc Japan,1996,104:715. |
| [5] | ICHINOSE H;KAWAHARA A;KATSUKI H .Properties of anatase films for photocatalyst from peroxotitanic acid solution and peroxo-modified anatase sol[J].Journal of Soc Japan,1996,104:914. |
| [6] | ICHINOSE H;KATSUKI H .Photocatalytic acivities of coating filmsprepared from peroxotitanic acid solutiom-derived anatase sols[J].Journal of the Ceramic Society of Japan,1998,106:344. |
| [7] | ICHINOSE H;TERASAKI M;KATSUKI H.Properties of peroxotitanium acid solution and peroxo-modified anatase sol derived from peroxotitanium hydrate[J].Journal of Sol-Gel Science and Technology,2001(22):33. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%