| Pt/TiO2的制备、表征及其光催化性能研究 |
| |
| 引用本文： | 张峰.Pt/TiO2的制备、表征及其光催化性能研究[J].盐城工学院学报(自然科学版),2006,19(2):35-37,45. |
| |
| 作者姓名： | 张峰 |
| |
| 作者单位： | 盐城工学院,材料工程学院,江苏,盐城,224003 |
| |
| 摘 要： | 以钛酸异丙酯为前驱体，反微乳法和溶胶-凝胶法相结合制备了TiO2纳米粉末，光还原法在TiO2表面沉积责金属Pt。用XRD、XPS对材料进行了表征。结果表明：TiO2为锐钛矿晶型，平均粒径约17 nm，沉积在TiO2表面的Pt主要以单质形式存在。少量以氧化态Pt^2＋存在。光催化结果表明Pt／TiO2的光催化活性比纳米TiO2大大提高，用荧光光谱讨论了Pt／TiO2光催化活性提高的机理。
|
| 关 键 词： | 溶胶-凝胶法 光催化 |
| 文章编号： | 1671-5322（2006）02-0035-03 |
| 收稿时间： | 2006-03-17 |
| 修稿时间： | 2006年3月17日 |
Preparation, Characterization and Photocatalysis of Pt/TiO2 |
| |
| ZHANG Feng.Preparation, Characterization and Photocatalysis of Pt/TiO2[J].Journal of Yancheng Institute of Technology(Natural Science Edition),2006,19(2):35-37,45. |
| |
| Authors: | ZHANG Feng |
| |
| Institution: | Department of Material Engineering of Yancheng Institute of Technology,Jiangsu Yancheng 224003,China |
| |
| Abstract: | TiO2 nanoparticles were prepared by reverse mieroemulsion system and sol -gel method with titanium isopropoxide as precursor. Pt/TiO2 was obtained by photo - reduction. The structure was characterized by XRD and XPS. XRD results showed TiO, as prepared was anatase and the average particle size was about 17 nm. XPS analysis revealed the presence of Pt as mainly metallic state and small oxidative state. Photocatalysis tests showed that Pt/TiO2 exhibited higher activity than pure TiO2. The mechanism of photocatalytic activity enhancement of the Pt/TiO2 was discussed by photoluminescenee spectra. |
| |
| Keywords: | Pt/TiO2 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《盐城工学院学报(自然科学版)》浏览原始摘要信息 |
| 点击此处可从《盐城工学院学报(自然科学版)》下载免费的PDF全文 |
